Finding the Third Proportional to 341,253 and 503,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,253 : 503,131.50 = 503,131.50 : x
2. Step 2: Convert to fraction form
   341,253/503,131.50 = 503,131.50/x
3. Step 3: Cross multiply
   341,253x = 503,131.50 × 503,131.50
4. Step 4: Simplify right side
   341,253x = 253,141,306,292.25
5. Step 5: Solve for x
   x = 253,141,306,292.25/341,253
6. Step 6: Final answer
   x = 741,799.50