Finding the Third Proportional to 98,626.50 and 215,705.25

Step by Step Solution

1. Step 1: Write the proportion equation
   98,626.50 : 215,705.25 = 215,705.25 : x
2. Step 2: Convert to fraction form
   98,626.50/215,705.25 = 215,705.25/x
3. Step 3: Cross multiply
   98,626.50x = 215,705.25 × 215,705.25
4. Step 4: Simplify right side
   98,626.50x = 46,528,754,877.56
5. Step 5: Solve for x
   x = 46,528,754,877.56/98,626.50
6. Step 6: Final answer
   x = 471,767.27