Finding the Third Proportional to 21,215,706 and 45,812,028

Step by Step Solution

1. Step 1: Write the proportion equation
   21,215,706 : 45,812,028 = 45,812,028 : x
2. Step 2: Convert to fraction form
   21,215,706/45,812,028 = 45,812,028/x
3. Step 3: Cross multiply
   21,215,706x = 45,812,028 × 45,812,028
4. Step 4: Simplify right side
   21,215,706x = 2,098,741,909,472,784
5. Step 5: Solve for x
   x = 2,098,741,909,472,784/21,215,706
6. Step 6: Final answer
   x = 98,923,972.15