Finding the Third Proportional to 51,480 and 112,428

Step by Step Solution

1. Step 1: Write the proportion equation
   51,480 : 112,428 = 112,428 : x
2. Step 2: Convert to fraction form
   51,480/112,428 = 112,428/x
3. Step 3: Cross multiply
   51,480x = 112,428 × 112,428
4. Step 4: Simplify right side
   51,480x = 12,640,055,184
5. Step 5: Solve for x
   x = 12,640,055,184/51,480
6. Step 6: Final answer
   x = 245,533.32