Finding the Third Proportional to 28,900 and 62,111

Step by Step Solution

1. Step 1: Write the proportion equation
   28,900 : 62,111 = 62,111 : x
2. Step 2: Convert to fraction form
   28,900/62,111 = 62,111/x
3. Step 3: Cross multiply
   28,900x = 62,111 × 62,111
4. Step 4: Simplify right side
   28,900x = 3,857,776,321
5. Step 5: Solve for x
   x = 3,857,776,321/28,900
6. Step 6: Final answer
   x = 133,487.07