Finding the Third Proportional to 130,612.50 and 266,760

Step by Step Solution

1. Step 1: Write the proportion equation
   130,612.50 : 266,760 = 266,760 : x
2. Step 2: Convert to fraction form
   130,612.50/266,760 = 266,760/x
3. Step 3: Cross multiply
   130,612.50x = 266,760 × 266,760
4. Step 4: Simplify right side
   130,612.50x = 71,160,897,600
5. Step 5: Solve for x
   x = 71,160,897,600/130,612.50
6. Step 6: Final answer
   x = 544,824.56