Finding the Third Proportional to 448,778 and 972,324.50

Step by Step Solution

1. Step 1: Write the proportion equation
   448,778 : 972,324.50 = 972,324.50 : x
2. Step 2: Convert to fraction form
   448,778/972,324.50 = 972,324.50/x
3. Step 3: Cross multiply
   448,778x = 972,324.50 × 972,324.50
4. Step 4: Simplify right side
   448,778x = 945,414,933,300.25
5. Step 5: Solve for x
   x = 945,414,933,300.25/448,778
6. Step 6: Final answer
   x = 2,106,642.78