Finding the Third Proportional to 98,215.88 and 214,427.25

Step by Step Solution

1. Step 1: Write the proportion equation
   98,215.88 : 214,427.25 = 214,427.25 : x
2. Step 2: Convert to fraction form
   98,215.88/214,427.25 = 214,427.25/x
3. Step 3: Cross multiply
   98,215.88x = 214,427.25 × 214,427.25
4. Step 4: Simplify right side
   98,215.88x = 45,979,045,542.56
5. Step 5: Solve for x
   x = 45,979,045,542.56/98,215.88
6. Step 6: Final answer
   x = 468,142.71