Finding the Third Proportional to 231,139.50 and 497,271

Step by Step Solution

1. Step 1: Write the proportion equation
   231,139.50 : 497,271 = 497,271 : x
2. Step 2: Convert to fraction form
   231,139.50/497,271 = 497,271/x
3. Step 3: Cross multiply
   231,139.50x = 497,271 × 497,271
4. Step 4: Simplify right side
   231,139.50x = 247,278,447,441
5. Step 5: Solve for x
   x = 247,278,447,441/231,139.50
6. Step 6: Final answer
   x = 1,069,823.41