Finding the Third Proportional to 2,639,436 and 4,080,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,436 : 4,080,451.50 = 4,080,451.50 : x
2. Step 2: Convert to fraction form
   2,639,436/4,080,451.50 = 4,080,451.50/x
3. Step 3: Cross multiply
   2,639,436x = 4,080,451.50 × 4,080,451.50
4. Step 4: Simplify right side
   2,639,436x = 16,650,084,443,852.25
5. Step 5: Solve for x
   x = 16,650,084,443,852.25/2,639,436
6. Step 6: Final answer
   x = 6,308,197.83