Finding the Third Proportional to 84,300 and 112,758

Step by Step Solution

1. Step 1: Write the proportion equation
   84,300 : 112,758 = 112,758 : x
2. Step 2: Convert to fraction form
   84,300/112,758 = 112,758/x
3. Step 3: Cross multiply
   84,300x = 112,758 × 112,758
4. Step 4: Simplify right side
   84,300x = 12,714,366,564
5. Step 5: Solve for x
   x = 12,714,366,564/84,300
6. Step 6: Final answer
   x = 150,822.85