Finding the Third Proportional to 28,839 and 63,141

Step by Step Solution

1. Step 1: Write the proportion equation
   28,839 : 63,141 = 63,141 : x
2. Step 2: Convert to fraction form
   28,839/63,141 = 63,141/x
3. Step 3: Cross multiply
   28,839x = 63,141 × 63,141
4. Step 4: Simplify right side
   28,839x = 3,986,785,881
5. Step 5: Solve for x
   x = 3,986,785,881/28,839
6. Step 6: Final answer
   x = 138,242.86