Finding the Third Proportional to 12,664,210.50 and 29,865,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,664,210.50 : 29,865,724.50 = 29,865,724.50 : x
2. Step 2: Convert to fraction form
   12,664,210.50/29,865,724.50 = 29,865,724.50/x
3. Step 3: Cross multiply
   12,664,210.50x = 29,865,724.50 × 29,865,724.50
4. Step 4: Simplify right side
   12,664,210.50x = 891,961,499,909,900.25
5. Step 5: Solve for x
   x = 891,961,499,909,900.25/12,664,210.50
6. Step 6: Final answer
   x = 70,431,670.41