Finding the Third Proportional to 369,603 and 528,160.50

Step by Step Solution

1. Step 1: Write the proportion equation
   369,603 : 528,160.50 = 528,160.50 : x
2. Step 2: Convert to fraction form
   369,603/528,160.50 = 528,160.50/x
3. Step 3: Cross multiply
   369,603x = 528,160.50 × 528,160.50
4. Step 4: Simplify right side
   369,603x = 278,953,513,760.25
5. Step 5: Solve for x
   x = 278,953,513,760.25/369,603
6. Step 6: Final answer
   x = 754,738.23