Finding the Third Proportional to 40,804,988 and 86,215,312

Step by Step Solution

1. Step 1: Write the proportion equation
   40,804,988 : 86,215,312 = 86,215,312 : x
2. Step 2: Convert to fraction form
   40,804,988/86,215,312 = 86,215,312/x
3. Step 3: Cross multiply
   40,804,988x = 86,215,312 × 86,215,312
4. Step 4: Simplify right side
   40,804,988x = 7,433,080,023,257,344
5. Step 5: Solve for x
   x = 7,433,080,023,257,344/40,804,988
6. Step 6: Final answer
   x = 182,161,063.82