Finding the Third Proportional to 76,320.56 and 116,462.81

Step by Step Solution

1. Step 1: Write the proportion equation
   76,320.56 : 116,462.81 = 116,462.81 : x
2. Step 2: Convert to fraction form
   76,320.56/116,462.81 = 116,462.81/x
3. Step 3: Cross multiply
   76,320.56x = 116,462.81 × 116,462.81
4. Step 4: Simplify right side
   76,320.56x = 13,563,586,695.41
5. Step 5: Solve for x
   x = 13,563,586,695.41/76,320.56
6. Step 6: Final answer
   x = 177,718.64