Finding the Third Proportional to 205,390.69 and 448,147.69

Step by Step Solution

1. Step 1: Write the proportion equation
   205,390.69 : 448,147.69 = 448,147.69 : x
2. Step 2: Convert to fraction form
   205,390.69/448,147.69 = 448,147.69/x
3. Step 3: Cross multiply
   205,390.69x = 448,147.69 × 448,147.69
4. Step 4: Simplify right side
   205,390.69x = 200,836,349,811.60
5. Step 5: Solve for x
   x = 200,836,349,811.60/205,390.69
6. Step 6: Final answer
   x = 977,825.98