Finding the Third Proportional to 868,476 and 1,913,646

Step by Step Solution

1. Step 1: Write the proportion equation
   868,476 : 1,913,646 = 1,913,646 : x
2. Step 2: Convert to fraction form
   868,476/1,913,646 = 1,913,646/x
3. Step 3: Cross multiply
   868,476x = 1,913,646 × 1,913,646
4. Step 4: Simplify right side
   868,476x = 3,662,041,013,316
5. Step 5: Solve for x
   x = 3,662,041,013,316/868,476
6. Step 6: Final answer
   x = 4,216,628.91