Finding the Third Proportional to 48,286.13 and 74,765.53

Step by Step Solution

1. Step 1: Write the proportion equation
   48,286.13 : 74,765.53 = 74,765.53 : x
2. Step 2: Convert to fraction form
   48,286.13/74,765.53 = 74,765.53/x
3. Step 3: Cross multiply
   48,286.13x = 74,765.53 × 74,765.53
4. Step 4: Simplify right side
   48,286.13x = 5,589,884,663.09
5. Step 5: Solve for x
   x = 5,589,884,663.09/48,286.13
6. Step 6: Final answer
   x = 115,765.86