Finding the Third Proportional to 297,776.25 and 649,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   297,776.25 : 649,093.50 = 649,093.50 : x
2. Step 2: Convert to fraction form
   297,776.25/649,093.50 = 649,093.50/x
3. Step 3: Cross multiply
   297,776.25x = 649,093.50 × 649,093.50
4. Step 4: Simplify right side
   297,776.25x = 421,322,371,742.25
5. Step 5: Solve for x
   x = 421,322,371,742.25/297,776.25
6. Step 6: Final answer
   x = 1,414,895.82