Finding the Third Proportional to 801,859.50 and 1,669,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   801,859.50 : 1,669,855.50 = 1,669,855.50 : x
2. Step 2: Convert to fraction form
   801,859.50/1,669,855.50 = 1,669,855.50/x
3. Step 3: Cross multiply
   801,859.50x = 1,669,855.50 × 1,669,855.50
4. Step 4: Simplify right side
   801,859.50x = 2,788,417,390,880.25
5. Step 5: Solve for x
   x = 2,788,417,390,880.25/801,859.50
6. Step 6: Final answer
   x = 3,477,438.87