Finding the Third Proportional to 76,040.50 and 113,438

Step by Step Solution

1. Step 1: Write the proportion equation
   76,040.50 : 113,438 = 113,438 : x
2. Step 2: Convert to fraction form
   76,040.50/113,438 = 113,438/x
3. Step 3: Cross multiply
   76,040.50x = 113,438 × 113,438
4. Step 4: Simplify right side
   76,040.50x = 12,868,179,844
5. Step 5: Solve for x
   x = 12,868,179,844/76,040.50
6. Step 6: Final answer
   x = 169,227.98