Finding the Third Proportional to 28,830 and 62,706

Step by Step Solution

1. Step 1: Write the proportion equation
   28,830 : 62,706 = 62,706 : x
2. Step 2: Convert to fraction form
   28,830/62,706 = 62,706/x
3. Step 3: Cross multiply
   28,830x = 62,706 × 62,706
4. Step 4: Simplify right side
   28,830x = 3,932,042,436
5. Step 5: Solve for x
   x = 3,932,042,436/28,830
6. Step 6: Final answer
   x = 136,387.18