Finding the Third Proportional to 72,430 and 111,925

Step by Step Solution

1. Step 1: Write the proportion equation
   72,430 : 111,925 = 111,925 : x
2. Step 2: Convert to fraction form
   72,430/111,925 = 111,925/x
3. Step 3: Cross multiply
   72,430x = 111,925 × 111,925
4. Step 4: Simplify right side
   72,430x = 12,527,205,625
5. Step 5: Solve for x
   x = 12,527,205,625/72,430
6. Step 6: Final answer
   x = 172,956.04