Finding the Third Proportional to 21,872,612 and 47,864,398

Step by Step Solution

1. Step 1: Write the proportion equation
   21,872,612 : 47,864,398 = 47,864,398 : x
2. Step 2: Convert to fraction form
   21,872,612/47,864,398 = 47,864,398/x
3. Step 3: Cross multiply
   21,872,612x = 47,864,398 × 47,864,398
4. Step 4: Simplify right side
   21,872,612x = 2,291,000,595,902,404
5. Step 5: Solve for x
   x = 2,291,000,595,902,404/21,872,612
6. Step 6: Final answer
   x = 104,742,890.15