Finding the Third Proportional to 78,133.36 and 116,685.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,133.36 : 116,685.56 = 116,685.56 : x
2. Step 2: Convert to fraction form
   78,133.36/116,685.56 = 116,685.56/x
3. Step 3: Cross multiply
   78,133.36x = 116,685.56 × 116,685.56
4. Step 4: Simplify right side
   78,133.36x = 13,615,520,495.94
5. Step 5: Solve for x
   x = 13,615,520,495.94/78,133.36
6. Step 6: Final answer
   x = 174,260.02