Finding the Third Proportional to 295,308 and 458,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   295,308 : 458,149.50 = 458,149.50 : x
2. Step 2: Convert to fraction form
   295,308/458,149.50 = 458,149.50/x
3. Step 3: Cross multiply
   295,308x = 458,149.50 × 458,149.50
4. Step 4: Simplify right side
   295,308x = 209,900,964,350.25
5. Step 5: Solve for x
   x = 209,900,964,350.25/295,308
6. Step 6: Final answer
   x = 710,786.58