Finding the Third Proportional to 234,139.50 and 497,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   234,139.50 : 497,434.50 = 497,434.50 : x
2. Step 2: Convert to fraction form
   234,139.50/497,434.50 = 497,434.50/x
3. Step 3: Cross multiply
   234,139.50x = 497,434.50 × 497,434.50
4. Step 4: Simplify right side
   234,139.50x = 247,441,081,790.25
5. Step 5: Solve for x
   x = 247,441,081,790.25/234,139.50
6. Step 6: Final answer
   x = 1,056,810.50