Finding the Third Proportional to 416,845 and 848,421.50

Step by Step Solution

1. Step 1: Write the proportion equation
   416,845 : 848,421.50 = 848,421.50 : x
2. Step 2: Convert to fraction form
   416,845/848,421.50 = 848,421.50/x
3. Step 3: Cross multiply
   416,845x = 848,421.50 × 848,421.50
4. Step 4: Simplify right side
   416,845x = 719,819,041,662.25
5. Step 5: Solve for x
   x = 719,819,041,662.25/416,845
6. Step 6: Final answer
   x = 1,726,826.62