Finding the Third Proportional to 99,663.50 and 218,014

Step by Step Solution

1. Step 1: Write the proportion equation
   99,663.50 : 218,014 = 218,014 : x
2. Step 2: Convert to fraction form
   99,663.50/218,014 = 218,014/x
3. Step 3: Cross multiply
   99,663.50x = 218,014 × 218,014
4. Step 4: Simplify right side
   99,663.50x = 47,530,104,196
5. Step 5: Solve for x
   x = 47,530,104,196/99,663.50
6. Step 6: Final answer
   x = 476,905.83