Finding the Third Proportional to 70,876.69 and 109,662.19

Step by Step Solution

1. Step 1: Write the proportion equation
   70,876.69 : 109,662.19 = 109,662.19 : x
2. Step 2: Convert to fraction form
   70,876.69/109,662.19 = 109,662.19/x
3. Step 3: Cross multiply
   70,876.69x = 109,662.19 × 109,662.19
4. Step 4: Simplify right side
   70,876.69x = 12,025,795,367.29
5. Step 5: Solve for x
   x = 12,025,795,367.29/70,876.69
6. Step 6: Final answer
   x = 169,672.09