Finding the Third Proportional to 868,544 and 1,913,776

Step by Step Solution

1. Step 1: Write the proportion equation
   868,544 : 1,913,776 = 1,913,776 : x
2. Step 2: Convert to fraction form
   868,544/1,913,776 = 1,913,776/x
3. Step 3: Cross multiply
   868,544x = 1,913,776 × 1,913,776
4. Step 4: Simplify right side
   868,544x = 3,662,538,578,176
5. Step 5: Solve for x
   x = 3,662,538,578,176/868,544
6. Step 6: Final answer
   x = 4,216,871.66