Finding the Third Proportional to 56,719.13 and 74,868.19

Step by Step Solution

1. Step 1: Write the proportion equation
   56,719.13 : 74,868.19 = 74,868.19 : x
2. Step 2: Convert to fraction form
   56,719.13/74,868.19 = 74,868.19/x
3. Step 3: Cross multiply
   56,719.13x = 74,868.19 × 74,868.19
4. Step 4: Simplify right side
   56,719.13x = 5,605,245,499.54
5. Step 5: Solve for x
   x = 5,605,245,499.54/56,719.13
6. Step 6: Final answer
   x = 98,824.61