Finding the Third Proportional to 342,552.50 and 722,035

Step by Step Solution

1. Step 1: Write the proportion equation
   342,552.50 : 722,035 = 722,035 : x
2. Step 2: Convert to fraction form
   342,552.50/722,035 = 722,035/x
3. Step 3: Cross multiply
   342,552.50x = 722,035 × 722,035
4. Step 4: Simplify right side
   342,552.50x = 521,334,541,225
5. Step 5: Solve for x
   x = 521,334,541,225/342,552.50
6. Step 6: Final answer
   x = 1,521,911.36