Finding the Third Proportional to 76,447.50 and 112,419

Step by Step Solution

1. Step 1: Write the proportion equation
   76,447.50 : 112,419 = 112,419 : x
2. Step 2: Convert to fraction form
   76,447.50/112,419 = 112,419/x
3. Step 3: Cross multiply
   76,447.50x = 112,419 × 112,419
4. Step 4: Simplify right side
   76,447.50x = 12,638,031,561
5. Step 5: Solve for x
   x = 12,638,031,561/76,447.50
6. Step 6: Final answer
   x = 165,316.48