Finding the Third Proportional to 77,859.75 and 116,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,859.75 : 116,383.50 = 116,383.50 : x
2. Step 2: Convert to fraction form
   77,859.75/116,383.50 = 116,383.50/x
3. Step 3: Cross multiply
   77,859.75x = 116,383.50 × 116,383.50
4. Step 4: Simplify right side
   77,859.75x = 13,545,119,072.25
5. Step 5: Solve for x
   x = 13,545,119,072.25/77,859.75
6. Step 6: Final answer
   x = 173,968.18