Finding the Third Proportional to 103,285.50 and 112,102

Step by Step Solution

1. Step 1: Write the proportion equation
   103,285.50 : 112,102 = 112,102 : x
2. Step 2: Convert to fraction form
   103,285.50/112,102 = 112,102/x
3. Step 3: Cross multiply
   103,285.50x = 112,102 × 112,102
4. Step 4: Simplify right side
   103,285.50x = 12,566,858,404
5. Step 5: Solve for x
   x = 12,566,858,404/103,285.50
6. Step 6: Final answer
   x = 121,671.08