Finding the Third Proportional to 4,224,852 and 9,123,156

Step by Step Solution

1. Step 1: Write the proportion equation
   4,224,852 : 9,123,156 = 9,123,156 : x
2. Step 2: Convert to fraction form
   4,224,852/9,123,156 = 9,123,156/x
3. Step 3: Cross multiply
   4,224,852x = 9,123,156 × 9,123,156
4. Step 4: Simplify right side
   4,224,852x = 83,231,975,400,336
5. Step 5: Solve for x
   x = 83,231,975,400,336/4,224,852
6. Step 6: Final answer
   x = 19,700,565.94