Finding the Third Proportional to 28,438 and 58,700

Step by Step Solution

1. Step 1: Write the proportion equation
   28,438 : 58,700 = 58,700 : x
2. Step 2: Convert to fraction form
   28,438/58,700 = 58,700/x
3. Step 3: Cross multiply
   28,438x = 58,700 × 58,700
4. Step 4: Simplify right side
   28,438x = 3,445,690,000
5. Step 5: Solve for x
   x = 3,445,690,000/28,438
6. Step 6: Final answer
   x = 121,164.99