Finding the Third Proportional to 448,772 and 972,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   448,772 : 972,315.50 = 972,315.50 : x
2. Step 2: Convert to fraction form
   448,772/972,315.50 = 972,315.50/x
3. Step 3: Cross multiply
   448,772x = 972,315.50 × 972,315.50
4. Step 4: Simplify right side
   448,772x = 945,397,431,540.25
5. Step 5: Solve for x
   x = 945,397,431,540.25/448,772
6. Step 6: Final answer
   x = 2,106,631.95