Finding the Third Proportional to 70,949.81 and 109,867.22

Step by Step Solution

1. Step 1: Write the proportion equation
   70,949.81 : 109,867.22 = 109,867.22 : x
2. Step 2: Convert to fraction form
   70,949.81/109,867.22 = 109,867.22/x
3. Step 3: Cross multiply
   70,949.81x = 109,867.22 × 109,867.22
4. Step 4: Simplify right side
   70,949.81x = 12,070,805,755.86
5. Step 5: Solve for x
   x = 12,070,805,755.86/70,949.81
6. Step 6: Final answer
   x = 170,131.61