Finding the Third Proportional to 148,039.50 and 325,596

Step by Step Solution

1. Step 1: Write the proportion equation
   148,039.50 : 325,596 = 325,596 : x
2. Step 2: Convert to fraction form
   148,039.50/325,596 = 325,596/x
3. Step 3: Cross multiply
   148,039.50x = 325,596 × 325,596
4. Step 4: Simplify right side
   148,039.50x = 106,012,755,216
5. Step 5: Solve for x
   x = 106,012,755,216/148,039.50
6. Step 6: Final answer
   x = 716,111.28