Finding the Third Proportional to 78,401.50 and 118,332

Step by Step Solution

1. Step 1: Write the proportion equation
   78,401.50 : 118,332 = 118,332 : x
2. Step 2: Convert to fraction form
   78,401.50/118,332 = 118,332/x
3. Step 3: Cross multiply
   78,401.50x = 118,332 × 118,332
4. Step 4: Simplify right side
   78,401.50x = 14,002,462,224
5. Step 5: Solve for x
   x = 14,002,462,224/78,401.50
6. Step 6: Final answer
   x = 178,599.42