Finding the Third Proportional to 98,753.50 and 218,860

Step by Step Solution

1. Step 1: Write the proportion equation
   98,753.50 : 218,860 = 218,860 : x
2. Step 2: Convert to fraction form
   98,753.50/218,860 = 218,860/x
3. Step 3: Cross multiply
   98,753.50x = 218,860 × 218,860
4. Step 4: Simplify right side
   98,753.50x = 47,899,699,600
5. Step 5: Solve for x
   x = 47,899,699,600/98,753.50
6. Step 6: Final answer
   x = 485,043.06