Finding the Third Proportional to 572,330 and 1,243,156

Step by Step Solution

1. Step 1: Write the proportion equation
   572,330 : 1,243,156 = 1,243,156 : x
2. Step 2: Convert to fraction form
   572,330/1,243,156 = 1,243,156/x
3. Step 3: Cross multiply
   572,330x = 1,243,156 × 1,243,156
4. Step 4: Simplify right side
   572,330x = 1,545,436,840,336
5. Step 5: Solve for x
   x = 1,545,436,840,336/572,330
6. Step 6: Final answer
   x = 2,700,254.82