Finding the Third Proportional to 86,402.50 and 141,088

Step by Step Solution

1. Step 1: Write the proportion equation
   86,402.50 : 141,088 = 141,088 : x
2. Step 2: Convert to fraction form
   86,402.50/141,088 = 141,088/x
3. Step 3: Cross multiply
   86,402.50x = 141,088 × 141,088
4. Step 4: Simplify right side
   86,402.50x = 19,905,823,744
5. Step 5: Solve for x
   x = 19,905,823,744/86,402.50
6. Step 6: Final answer
   x = 230,384.81