Finding the Third Proportional to 879,597 and 1,921,140

Step by Step Solution

1. Step 1: Write the proportion equation
   879,597 : 1,921,140 = 1,921,140 : x
2. Step 2: Convert to fraction form
   879,597/1,921,140 = 1,921,140/x
3. Step 3: Cross multiply
   879,597x = 1,921,140 × 1,921,140
4. Step 4: Simplify right side
   879,597x = 3,690,778,899,600
5. Step 5: Solve for x
   x = 3,690,778,899,600/879,597
6. Step 6: Final answer
   x = 4,195,988.50