Finding the Third Proportional to 341,278.50 and 742,755

Step by Step Solution

1. Step 1: Write the proportion equation
   341,278.50 : 742,755 = 742,755 : x
2. Step 2: Convert to fraction form
   341,278.50/742,755 = 742,755/x
3. Step 3: Cross multiply
   341,278.50x = 742,755 × 742,755
4. Step 4: Simplify right side
   341,278.50x = 551,684,990,025
5. Step 5: Solve for x
   x = 551,684,990,025/341,278.50
6. Step 6: Final answer
   x = 1,616,524.31