Finding the Third Proportional to 99,769 and 118,222

Step by Step Solution

1. Step 1: Write the proportion equation
   99,769 : 118,222 = 118,222 : x
2. Step 2: Convert to fraction form
   99,769/118,222 = 118,222/x
3. Step 3: Cross multiply
   99,769x = 118,222 × 118,222
4. Step 4: Simplify right side
   99,769x = 13,976,441,284
5. Step 5: Solve for x
   x = 13,976,441,284/99,769
6. Step 6: Final answer
   x = 140,088.02