Finding the Third Proportional to 13,142,655 and 28,807,398.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,142,655 : 28,807,398.56 = 28,807,398.56 : x
2. Step 2: Convert to fraction form
   13,142,655/28,807,398.56 = 28,807,398.56/x
3. Step 3: Cross multiply
   13,142,655x = 28,807,398.56 × 28,807,398.56
4. Step 4: Simplify right side
   13,142,655x = 829,866,211,938,727.12
5. Step 5: Solve for x
   x = 829,866,211,938,727.12/13,142,655
6. Step 6: Final answer
   x = 63,142,965.55