Finding the Third Proportional to 357,862.50 and 780,029

Step by Step Solution

1. Step 1: Write the proportion equation
   357,862.50 : 780,029 = 780,029 : x
2. Step 2: Convert to fraction form
   357,862.50/780,029 = 780,029/x
3. Step 3: Cross multiply
   357,862.50x = 780,029 × 780,029
4. Step 4: Simplify right side
   357,862.50x = 608,445,240,841
5. Step 5: Solve for x
   x = 608,445,240,841/357,862.50
6. Step 6: Final answer
   x = 1,700,220.73