Finding the Third Proportional to 97,499.50 and 209,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   97,499.50 : 209,550.50 = 209,550.50 : x
2. Step 2: Convert to fraction form
   97,499.50/209,550.50 = 209,550.50/x
3. Step 3: Cross multiply
   97,499.50x = 209,550.50 × 209,550.50
4. Step 4: Simplify right side
   97,499.50x = 43,911,412,050.25
5. Step 5: Solve for x
   x = 43,911,412,050.25/97,499.50
6. Step 6: Final answer
   x = 450,375.77