Finding the Third Proportional to 112,118 and 156,999

Step by Step Solution

1. Step 1: Write the proportion equation
   112,118 : 156,999 = 156,999 : x
2. Step 2: Convert to fraction form
   112,118/156,999 = 156,999/x
3. Step 3: Cross multiply
   112,118x = 156,999 × 156,999
4. Step 4: Simplify right side
   112,118x = 24,648,686,001
5. Step 5: Solve for x
   x = 24,648,686,001/112,118
6. Step 6: Final answer
   x = 219,845.93