Finding the Third Proportional to 148,061.25 and 325,640.25

Step by Step Solution

1. Step 1: Write the proportion equation
   148,061.25 : 325,640.25 = 325,640.25 : x
2. Step 2: Convert to fraction form
   148,061.25/325,640.25 = 325,640.25/x
3. Step 3: Cross multiply
   148,061.25x = 325,640.25 × 325,640.25
4. Step 4: Simplify right side
   148,061.25x = 106,041,572,420.06
5. Step 5: Solve for x
   x = 106,041,572,420.06/148,061.25
6. Step 6: Final answer
   x = 716,200.71