Finding the Third Proportional to 52,090.50 and 80,298

Step by Step Solution

1. Step 1: Write the proportion equation
   52,090.50 : 80,298 = 80,298 : x
2. Step 2: Convert to fraction form
   52,090.50/80,298 = 80,298/x
3. Step 3: Cross multiply
   52,090.50x = 80,298 × 80,298
4. Step 4: Simplify right side
   52,090.50x = 6,447,768,804
5. Step 5: Solve for x
   x = 6,447,768,804/52,090.50
6. Step 6: Final answer
   x = 123,780.13