Finding the Third Proportional to 62,820 and 132,912

Step by Step Solution

1. Step 1: Write the proportion equation
   62,820 : 132,912 = 132,912 : x
2. Step 2: Convert to fraction form
   62,820/132,912 = 132,912/x
3. Step 3: Cross multiply
   62,820x = 132,912 × 132,912
4. Step 4: Simplify right side
   62,820x = 17,665,599,744
5. Step 5: Solve for x
   x = 17,665,599,744/62,820
6. Step 6: Final answer
   x = 281,209.80