Finding the Third Proportional to 275,719.50 and 607,310

Step by Step Solution

1. Step 1: Write the proportion equation
   275,719.50 : 607,310 = 607,310 : x
2. Step 2: Convert to fraction form
   275,719.50/607,310 = 607,310/x
3. Step 3: Cross multiply
   275,719.50x = 607,310 × 607,310
4. Step 4: Simplify right side
   275,719.50x = 368,825,436,100
5. Step 5: Solve for x
   x = 368,825,436,100/275,719.50
6. Step 6: Final answer
   x = 1,337,683.54