Finding the Third Proportional to 272,338.50 and 598,434

Step by Step Solution

1. Step 1: Write the proportion equation
   272,338.50 : 598,434 = 598,434 : x
2. Step 2: Convert to fraction form
   272,338.50/598,434 = 598,434/x
3. Step 3: Cross multiply
   272,338.50x = 598,434 × 598,434
4. Step 4: Simplify right side
   272,338.50x = 358,123,252,356
5. Step 5: Solve for x
   x = 358,123,252,356/272,338.50
6. Step 6: Final answer
   x = 1,314,993.11