Finding the Third Proportional to 62,280 and 130,632

Step by Step Solution

1. Step 1: Write the proportion equation
   62,280 : 130,632 = 130,632 : x
2. Step 2: Convert to fraction form
   62,280/130,632 = 130,632/x
3. Step 3: Cross multiply
   62,280x = 130,632 × 130,632
4. Step 4: Simplify right side
   62,280x = 17,064,719,424
5. Step 5: Solve for x
   x = 17,064,719,424/62,280
6. Step 6: Final answer
   x = 273,999.99