Finding the Third Proportional to 297,513 and 459,391.50

Step by Step Solution

1. Step 1: Write the proportion equation
   297,513 : 459,391.50 = 459,391.50 : x
2. Step 2: Convert to fraction form
   297,513/459,391.50 = 459,391.50/x
3. Step 3: Cross multiply
   297,513x = 459,391.50 × 459,391.50
4. Step 4: Simplify right side
   297,513x = 211,040,550,272.25
5. Step 5: Solve for x
   x = 211,040,550,272.25/297,513
6. Step 6: Final answer
   x = 709,349.00