Finding the Third Proportional to 678,740.25 and 997,333.88

Step by Step Solution

1. Step 1: Write the proportion equation
   678,740.25 : 997,333.88 = 997,333.88 : x
2. Step 2: Convert to fraction form
   678,740.25/997,333.88 = 997,333.88/x
3. Step 3: Cross multiply
   678,740.25x = 997,333.88 × 997,333.88
4. Step 4: Simplify right side
   678,740.25x = 994,674,858,222.52
5. Step 5: Solve for x
   x = 994,674,858,222.52/678,740.25
6. Step 6: Final answer
   x = 1,465,472.04