Finding the Third Proportional to 72,870.50 and 107,222

Step by Step Solution

1. Step 1: Write the proportion equation
   72,870.50 : 107,222 = 107,222 : x
2. Step 2: Convert to fraction form
   72,870.50/107,222 = 107,222/x
3. Step 3: Cross multiply
   72,870.50x = 107,222 × 107,222
4. Step 4: Simplify right side
   72,870.50x = 11,496,557,284
5. Step 5: Solve for x
   x = 11,496,557,284/72,870.50
6. Step 6: Final answer
   x = 157,766.96