Finding the Third Proportional to 98,168.63 and 209,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,168.63 : 209,452.50 = 209,452.50 : x
2. Step 2: Convert to fraction form
   98,168.63/209,452.50 = 209,452.50/x
3. Step 3: Cross multiply
   98,168.63x = 209,452.50 × 209,452.50
4. Step 4: Simplify right side
   98,168.63x = 43,870,349,756.25
5. Step 5: Solve for x
   x = 43,870,349,756.25/98,168.63
6. Step 6: Final answer
   x = 446,887.69