Finding the Third Proportional to 28,490 and 60,868

Step by Step Solution

1. Step 1: Write the proportion equation
   28,490 : 60,868 = 60,868 : x
2. Step 2: Convert to fraction form
   28,490/60,868 = 60,868/x
3. Step 3: Cross multiply
   28,490x = 60,868 × 60,868
4. Step 4: Simplify right side
   28,490x = 3,704,913,424
5. Step 5: Solve for x
   x = 3,704,913,424/28,490
6. Step 6: Final answer
   x = 130,042.59