Finding the Third Proportional to 342,552 and 722,034

Step by Step Solution

1. Step 1: Write the proportion equation
   342,552 : 722,034 = 722,034 : x
2. Step 2: Convert to fraction form
   342,552/722,034 = 722,034/x
3. Step 3: Cross multiply
   342,552x = 722,034 × 722,034
4. Step 4: Simplify right side
   342,552x = 521,333,097,156
5. Step 5: Solve for x
   x = 521,333,097,156/342,552
6. Step 6: Final answer
   x = 1,521,909.37