Finding the Third Proportional to 131,472 and 187,988.06

Step by Step Solution

1. Step 1: Write the proportion equation
   131,472 : 187,988.06 = 187,988.06 : x
2. Step 2: Convert to fraction form
   131,472/187,988.06 = 187,988.06/x
3. Step 3: Cross multiply
   131,472x = 187,988.06 × 187,988.06
4. Step 4: Simplify right side
   131,472x = 35,339,511,642.50
5. Step 5: Solve for x
   x = 35,339,511,642.50/131,472
6. Step 6: Final answer
   x = 268,798.77