Finding the Third Proportional to 2,081,678,896,818 and 4,565,489,499,540

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081,678,896,818 : 4,565,489,499,540 = 4,565,489,499,540 : x
2. Step 2: Convert to fraction form
   2,081,678,896,818/4,565,489,499,540 = 4,565,489,499,540/x
3. Step 3: Cross multiply
   2,081,678,896,818x = 4,565,489,499,540 × 4,565,489,499,540
4. Step 4: Simplify right side
   2,081,678,896,818x = 20,843,694,370,409,999,241,314,304
5. Step 5: Solve for x
   x = 20,843,694,370,409,999,241,314,304/2,081,678,896,818
6. Step 6: Final answer
   x = 10,012,924,857,081.04