Finding the Third Proportional to 297,994.50 and 649,539

Step by Step Solution

1. Step 1: Write the proportion equation
   297,994.50 : 649,539 = 649,539 : x
2. Step 2: Convert to fraction form
   297,994.50/649,539 = 649,539/x
3. Step 3: Cross multiply
   297,994.50x = 649,539 × 649,539
4. Step 4: Simplify right side
   297,994.50x = 421,900,912,521
5. Step 5: Solve for x
   x = 421,900,912,521/297,994.50
6. Step 6: Final answer
   x = 1,415,801.00