Finding the Third Proportional to 76,084.50 and 111,309

Step by Step Solution

1. Step 1: Write the proportion equation
   76,084.50 : 111,309 = 111,309 : x
2. Step 2: Convert to fraction form
   76,084.50/111,309 = 111,309/x
3. Step 3: Cross multiply
   76,084.50x = 111,309 × 111,309
4. Step 4: Simplify right side
   76,084.50x = 12,389,693,481
5. Step 5: Solve for x
   x = 12,389,693,481/76,084.50
6. Step 6: Final answer
   x = 162,841.23