Finding the Third Proportional to 98,533.50 and 215,470

Step by Step Solution

1. Step 1: Write the proportion equation
   98,533.50 : 215,470 = 215,470 : x
2. Step 2: Convert to fraction form
   98,533.50/215,470 = 215,470/x
3. Step 3: Cross multiply
   98,533.50x = 215,470 × 215,470
4. Step 4: Simplify right side
   98,533.50x = 46,427,320,900
5. Step 5: Solve for x
   x = 46,427,320,900/98,533.50
6. Step 6: Final answer
   x = 471,183.11