Finding the Third Proportional to 1,358,657 and 2,776,306

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358,657 : 2,776,306 = 2,776,306 : x
2. Step 2: Convert to fraction form
   1,358,657/2,776,306 = 2,776,306/x
3. Step 3: Cross multiply
   1,358,657x = 2,776,306 × 2,776,306
4. Step 4: Simplify right side
   1,358,657x = 7,707,875,005,636
5. Step 5: Solve for x
   x = 7,707,875,005,636/1,358,657
6. Step 6: Final answer
   x = 5,673,157.39