Finding the Third Proportional to 79,892.50 and 115,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,892.50 : 115,086.50 = 115,086.50 : x
2. Step 2: Convert to fraction form
   79,892.50/115,086.50 = 115,086.50/x
3. Step 3: Cross multiply
   79,892.50x = 115,086.50 × 115,086.50
4. Step 4: Simplify right side
   79,892.50x = 13,244,902,482.25
5. Step 5: Solve for x
   x = 13,244,902,482.25/79,892.50
6. Step 6: Final answer
   x = 165,784.05