Finding the Third Proportional to 99,769.50 and 146,736

Step by Step Solution

1. Step 1: Write the proportion equation
   99,769.50 : 146,736 = 146,736 : x
2. Step 2: Convert to fraction form
   99,769.50/146,736 = 146,736/x
3. Step 3: Cross multiply
   99,769.50x = 146,736 × 146,736
4. Step 4: Simplify right side
   99,769.50x = 21,531,453,696
5. Step 5: Solve for x
   x = 21,531,453,696/99,769.50
6. Step 6: Final answer
   x = 215,811.98