Finding the Third Proportional to 465,480 and 664,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   465,480 : 664,411.50 = 664,411.50 : x
2. Step 2: Convert to fraction form
   465,480/664,411.50 = 664,411.50/x
3. Step 3: Cross multiply
   465,480x = 664,411.50 × 664,411.50
4. Step 4: Simplify right side
   465,480x = 441,442,641,332.25
5. Step 5: Solve for x
   x = 441,442,641,332.25/465,480
6. Step 6: Final answer
   x = 948,360.06