Finding the Third Proportional to 77,761.69 and 116,155.69

Step by Step Solution

1. Step 1: Write the proportion equation
   77,761.69 : 116,155.69 = 116,155.69 : x
2. Step 2: Convert to fraction form
   77,761.69/116,155.69 = 116,155.69/x
3. Step 3: Cross multiply
   77,761.69x = 116,155.69 × 116,155.69
4. Step 4: Simplify right side
   77,761.69x = 13,492,143,738.60
5. Step 5: Solve for x
   x = 13,492,143,738.60/77,761.69
6. Step 6: Final answer
   x = 173,506.31