Finding the Third Proportional to 20,280 and 30,124

Step by Step Solution

1. Step 1: Write the proportion equation
   20,280 : 30,124 = 30,124 : x
2. Step 2: Convert to fraction form
   20,280/30,124 = 30,124/x
3. Step 3: Cross multiply
   20,280x = 30,124 × 30,124
4. Step 4: Simplify right side
   20,280x = 907,455,376
5. Step 5: Solve for x
   x = 907,455,376/20,280
6. Step 6: Final answer
   x = 44,746.32