Finding the Third Proportional to 607,042.50 and 1,311,345

Step by Step Solution

1. Step 1: Write the proportion equation
   607,042.50 : 1,311,345 = 1,311,345 : x
2. Step 2: Convert to fraction form
   607,042.50/1,311,345 = 1,311,345/x
3. Step 3: Cross multiply
   607,042.50x = 1,311,345 × 1,311,345
4. Step 4: Simplify right side
   607,042.50x = 1,719,625,709,025
5. Step 5: Solve for x
   x = 1,719,625,709,025/607,042.50
6. Step 6: Final answer
   x = 2,832,792.94