Finding the Third Proportional to 77,464.69 and 169,669.69

Step by Step Solution

1. Step 1: Write the proportion equation
   77,464.69 : 169,669.69 = 169,669.69 : x
2. Step 2: Convert to fraction form
   77,464.69/169,669.69 = 169,669.69/x
3. Step 3: Cross multiply
   77,464.69x = 169,669.69 × 169,669.69
4. Step 4: Simplify right side
   77,464.69x = 28,787,802,856.35
5. Step 5: Solve for x
   x = 28,787,802,856.35/77,464.69
6. Step 6: Final answer
   x = 371,624.85