Finding the Third Proportional to 52,942.50 and 81,099

Step by Step Solution

1. Step 1: Write the proportion equation
   52,942.50 : 81,099 = 81,099 : x
2. Step 2: Convert to fraction form
   52,942.50/81,099 = 81,099/x
3. Step 3: Cross multiply
   52,942.50x = 81,099 × 81,099
4. Step 4: Simplify right side
   52,942.50x = 6,577,047,801
5. Step 5: Solve for x
   x = 6,577,047,801/52,942.50
6. Step 6: Final answer
   x = 124,230.02