Finding the Third Proportional to 54,061 and 86,088

Step by Step Solution

1. Step 1: Write the proportion equation
   54,061 : 86,088 = 86,088 : x
2. Step 2: Convert to fraction form
   54,061/86,088 = 86,088/x
3. Step 3: Cross multiply
   54,061x = 86,088 × 86,088
4. Step 4: Simplify right side
   54,061x = 7,411,143,744
5. Step 5: Solve for x
   x = 7,411,143,744/54,061
6. Step 6: Final answer
   x = 137,088.54