Finding the Third Proportional to 10,151,712 and 21,976,128

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151,712 : 21,976,128 = 21,976,128 : x
2. Step 2: Convert to fraction form
   10,151,712/21,976,128 = 21,976,128/x
3. Step 3: Cross multiply
   10,151,712x = 21,976,128 × 21,976,128
4. Step 4: Simplify right side
   10,151,712x = 482,950,201,872,384
5. Step 5: Solve for x
   x = 482,950,201,872,384/10,151,712
6. Step 6: Final answer
   x = 47,573,276.49