Finding the Third Proportional to 28,391 and 59,111

Step by Step Solution

1. Step 1: Write the proportion equation
   28,391 : 59,111 = 59,111 : x
2. Step 2: Convert to fraction form
   28,391/59,111 = 59,111/x
3. Step 3: Cross multiply
   28,391x = 59,111 × 59,111
4. Step 4: Simplify right side
   28,391x = 3,494,110,321
5. Step 5: Solve for x
   x = 3,494,110,321/28,391
6. Step 6: Final answer
   x = 123,071.05