Finding the Third Proportional to 10,986,489 and 23,864,428.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,986,489 : 23,864,428.50 = 23,864,428.50 : x
2. Step 2: Convert to fraction form
   10,986,489/23,864,428.50 = 23,864,428.50/x
3. Step 3: Cross multiply
   10,986,489x = 23,864,428.50 × 23,864,428.50
4. Step 4: Simplify right side
   10,986,489x = 569,510,947,631,612.25
5. Step 5: Solve for x
   x = 569,510,947,631,612.25/10,986,489
6. Step 6: Final answer
   x = 51,837,392.97