Finding the Third Proportional to 485,552 and 735,078

Step by Step Solution

1. Step 1: Write the proportion equation
   485,552 : 735,078 = 735,078 : x
2. Step 2: Convert to fraction form
   485,552/735,078 = 735,078/x
3. Step 3: Cross multiply
   485,552x = 735,078 × 735,078
4. Step 4: Simplify right side
   485,552x = 540,339,666,084
5. Step 5: Solve for x
   x = 540,339,666,084/485,552
6. Step 6: Final answer
   x = 1,112,835.84