Finding the Third Proportional to 78,772.50 and 116,922

Step by Step Solution

1. Step 1: Write the proportion equation
   78,772.50 : 116,922 = 116,922 : x
2. Step 2: Convert to fraction form
   78,772.50/116,922 = 116,922/x
3. Step 3: Cross multiply
   78,772.50x = 116,922 × 116,922
4. Step 4: Simplify right side
   78,772.50x = 13,670,754,084
5. Step 5: Solve for x
   x = 13,670,754,084/78,772.50
6. Step 6: Final answer
   x = 173,547.29