Finding the Third Proportional to 72,495 and 110,909.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,495 : 110,909.25 = 110,909.25 : x
2. Step 2: Convert to fraction form
   72,495/110,909.25 = 110,909.25/x
3. Step 3: Cross multiply
   72,495x = 110,909.25 × 110,909.25
4. Step 4: Simplify right side
   72,495x = 12,300,861,735.56
5. Step 5: Solve for x
   x = 12,300,861,735.56/72,495
6. Step 6: Final answer
   x = 169,678.76