Finding the Third Proportional to 322,485 and 753,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   322,485 : 753,055.50 = 753,055.50 : x
2. Step 2: Convert to fraction form
   322,485/753,055.50 = 753,055.50/x
3. Step 3: Cross multiply
   322,485x = 753,055.50 × 753,055.50
4. Step 4: Simplify right side
   322,485x = 567,092,586,080.25
5. Step 5: Solve for x
   x = 567,092,586,080.25/322,485
6. Step 6: Final answer
   x = 1,758,508.41