Finding the Third Proportional to 10,151,538 and 21,975,780

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151,538 : 21,975,780 = 21,975,780 : x
2. Step 2: Convert to fraction form
   10,151,538/21,975,780 = 21,975,780/x
3. Step 3: Cross multiply
   10,151,538x = 21,975,780 × 21,975,780
4. Step 4: Simplify right side
   10,151,538x = 482,934,906,608,400
5. Step 5: Solve for x
   x = 482,934,906,608,400/10,151,538
6. Step 6: Final answer
   x = 47,572,585.22