Finding the Third Proportional to 63,574.31 and 77,789.81

Step by Step Solution

1. Step 1: Write the proportion equation
   63,574.31 : 77,789.81 = 77,789.81 : x
2. Step 2: Convert to fraction form
   63,574.31/77,789.81 = 77,789.81/x
3. Step 3: Cross multiply
   63,574.31x = 77,789.81 × 77,789.81
4. Step 4: Simplify right side
   63,574.31x = 6,051,254,928.79
5. Step 5: Solve for x
   x = 6,051,254,928.79/63,574.31
6. Step 6: Final answer
   x = 95,183.96