Finding the Third Proportional to 868,953 and 1,817,355

Step by Step Solution

1. Step 1: Write the proportion equation
   868,953 : 1,817,355 = 1,817,355 : x
2. Step 2: Convert to fraction form
   868,953/1,817,355 = 1,817,355/x
3. Step 3: Cross multiply
   868,953x = 1,817,355 × 1,817,355
4. Step 4: Simplify right side
   868,953x = 3,302,779,196,025
5. Step 5: Solve for x
   x = 3,302,779,196,025/868,953
6. Step 6: Final answer
   x = 3,800,872.08