Finding the Third Proportional to 342,291 and 763,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,291 : 763,287.50 = 763,287.50 : x
2. Step 2: Convert to fraction form
   342,291/763,287.50 = 763,287.50/x
3. Step 3: Cross multiply
   342,291x = 763,287.50 × 763,287.50
4. Step 4: Simplify right side
   342,291x = 582,607,807,656.25
5. Step 5: Solve for x
   x = 582,607,807,656.25/342,291
6. Step 6: Final answer
   x = 1,702,083.34