Finding the Third Proportional to 28,510 and 61,940

Step by Step Solution

1. Step 1: Write the proportion equation
   28,510 : 61,940 = 61,940 : x
2. Step 2: Convert to fraction form
   28,510/61,940 = 61,940/x
3. Step 3: Cross multiply
   28,510x = 61,940 × 61,940
4. Step 4: Simplify right side
   28,510x = 3,836,563,600
5. Step 5: Solve for x
   x = 3,836,563,600/28,510
6. Step 6: Final answer
   x = 134,569.05