Finding the Third Proportional to 918,864 and 1,985,328

Step by Step Solution

1. Step 1: Write the proportion equation
   918,864 : 1,985,328 = 1,985,328 : x
2. Step 2: Convert to fraction form
   918,864/1,985,328 = 1,985,328/x
3. Step 3: Cross multiply
   918,864x = 1,985,328 × 1,985,328
4. Step 4: Simplify right side
   918,864x = 3,941,527,267,584
5. Step 5: Solve for x
   x = 3,941,527,267,584/918,864
6. Step 6: Final answer
   x = 4,289,565.45