Finding the Third Proportional to 148,000.50 and 200,731.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,000.50 : 200,731.50 = 200,731.50 : x
2. Step 2: Convert to fraction form
   148,000.50/200,731.50 = 200,731.50/x
3. Step 3: Cross multiply
   148,000.50x = 200,731.50 × 200,731.50
4. Step 4: Simplify right side
   148,000.50x = 40,293,135,092.25
5. Step 5: Solve for x
   x = 40,293,135,092.25/148,000.50
6. Step 6: Final answer
   x = 272,249.99