Finding the Third Proportional to 98,616 and 215,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,616 : 215,992.50 = 215,992.50 : x
2. Step 2: Convert to fraction form
   98,616/215,992.50 = 215,992.50/x
3. Step 3: Cross multiply
   98,616x = 215,992.50 × 215,992.50
4. Step 4: Simplify right side
   98,616x = 46,652,760,056.25
5. Step 5: Solve for x
   x = 46,652,760,056.25/98,616
6. Step 6: Final answer
   x = 473,074.96