Finding the Third Proportional to 72,630 and 100,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,630 : 100,015.50 = 100,015.50 : x
2. Step 2: Convert to fraction form
   72,630/100,015.50 = 100,015.50/x
3. Step 3: Cross multiply
   72,630x = 100,015.50 × 100,015.50
4. Step 4: Simplify right side
   72,630x = 10,003,100,240.25
5. Step 5: Solve for x
   x = 10,003,100,240.25/72,630
6. Step 6: Final answer
   x = 137,726.84