Finding the Third Proportional to 70,777.50 and 103,245

Step by Step Solution

1. Step 1: Write the proportion equation
   70,777.50 : 103,245 = 103,245 : x
2. Step 2: Convert to fraction form
   70,777.50/103,245 = 103,245/x
3. Step 3: Cross multiply
   70,777.50x = 103,245 × 103,245
4. Step 4: Simplify right side
   70,777.50x = 10,659,530,025
5. Step 5: Solve for x
   x = 10,659,530,025/70,777.50
6. Step 6: Final answer
   x = 150,606.20