Finding the Third Proportional to 73,315.13 and 109,648.69

Step by Step Solution

1. Step 1: Write the proportion equation
   73,315.13 : 109,648.69 = 109,648.69 : x
2. Step 2: Convert to fraction form
   73,315.13/109,648.69 = 109,648.69/x
3. Step 3: Cross multiply
   73,315.13x = 109,648.69 × 109,648.69
4. Step 4: Simplify right side
   73,315.13x = 12,022,834,670.47
5. Step 5: Solve for x
   x = 12,022,834,670.47/73,315.13
6. Step 6: Final answer
   x = 163,988.46