Finding the Third Proportional to 28,474 and 61,158

Step by Step Solution

1. Step 1: Write the proportion equation
   28,474 : 61,158 = 61,158 : x
2. Step 2: Convert to fraction form
   28,474/61,158 = 61,158/x
3. Step 3: Cross multiply
   28,474x = 61,158 × 61,158
4. Step 4: Simplify right side
   28,474x = 3,740,300,964
5. Step 5: Solve for x
   x = 3,740,300,964/28,474
6. Step 6: Final answer
   x = 131,358.47