Finding the Third Proportional to 10,181,700 and 21,957,372

Step by Step Solution

1. Step 1: Write the proportion equation
   10,181,700 : 21,957,372 = 21,957,372 : x
2. Step 2: Convert to fraction form
   10,181,700/21,957,372 = 21,957,372/x
3. Step 3: Cross multiply
   10,181,700x = 21,957,372 × 21,957,372
4. Step 4: Simplify right side
   10,181,700x = 482,126,185,146,384
5. Step 5: Solve for x
   x = 482,126,185,146,384/10,181,700
6. Step 6: Final answer
   x = 47,352,228.52