Finding the Third Proportional to 98,259 and 210,535.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,259 : 210,535.50 = 210,535.50 : x
2. Step 2: Convert to fraction form
   98,259/210,535.50 = 210,535.50/x
3. Step 3: Cross multiply
   98,259x = 210,535.50 × 210,535.50
4. Step 4: Simplify right side
   98,259x = 44,325,196,760.25
5. Step 5: Solve for x
   x = 44,325,196,760.25/98,259
6. Step 6: Final answer
   x = 451,105.72