Finding the Third Proportional to 348,910.50 and 503,034

Step by Step Solution

1. Step 1: Write the proportion equation
   348,910.50 : 503,034 = 503,034 : x
2. Step 2: Convert to fraction form
   348,910.50/503,034 = 503,034/x
3. Step 3: Cross multiply
   348,910.50x = 503,034 × 503,034
4. Step 4: Simplify right side
   348,910.50x = 253,043,205,156
5. Step 5: Solve for x
   x = 253,043,205,156/348,910.50
6. Step 6: Final answer
   x = 725,238.15