Finding the Third Proportional to 98,887.50 and 219,132

Step by Step Solution

1. Step 1: Write the proportion equation
   98,887.50 : 219,132 = 219,132 : x
2. Step 2: Convert to fraction form
   98,887.50/219,132 = 219,132/x
3. Step 3: Cross multiply
   98,887.50x = 219,132 × 219,132
4. Step 4: Simplify right side
   98,887.50x = 48,018,833,424
5. Step 5: Solve for x
   x = 48,018,833,424/98,887.50
6. Step 6: Final answer
   x = 485,590.53