Finding the Third Proportional to 342,675 and 742,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,675 : 742,552.50 = 742,552.50 : x
2. Step 2: Convert to fraction form
   342,675/742,552.50 = 742,552.50/x
3. Step 3: Cross multiply
   342,675x = 742,552.50 × 742,552.50
4. Step 4: Simplify right side
   342,675x = 551,384,215,256.25
5. Step 5: Solve for x
   x = 551,384,215,256.25/342,675
6. Step 6: Final answer
   x = 1,609,058.77