Finding the Third Proportional to 45,215.16 and 98,212.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,215.16 : 98,212.50 = 98,212.50 : x
2. Step 2: Convert to fraction form
   45,215.16/98,212.50 = 98,212.50/x
3. Step 3: Cross multiply
   45,215.16x = 98,212.50 × 98,212.50
4. Step 4: Simplify right side
   45,215.16x = 9,645,695,156.25
5. Step 5: Solve for x
   x = 9,645,695,156.25/45,215.16
6. Step 6: Final answer
   x = 213,328.80