Finding the Third Proportional to 322,987.50 and 707,292

Step by Step Solution

1. Step 1: Write the proportion equation
   322,987.50 : 707,292 = 707,292 : x
2. Step 2: Convert to fraction form
   322,987.50/707,292 = 707,292/x
3. Step 3: Cross multiply
   322,987.50x = 707,292 × 707,292
4. Step 4: Simplify right side
   322,987.50x = 500,261,973,264
5. Step 5: Solve for x
   x = 500,261,973,264/322,987.50
6. Step 6: Final answer
   x = 1,548,858.62