Finding the Third Proportional to 1,077,478 and 2,356,889

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,478 : 2,356,889 = 2,356,889 : x
2. Step 2: Convert to fraction form
   1,077,478/2,356,889 = 2,356,889/x
3. Step 3: Cross multiply
   1,077,478x = 2,356,889 × 2,356,889
4. Step 4: Simplify right side
   1,077,478x = 5,554,925,758,321
5. Step 5: Solve for x
   x = 5,554,925,758,321/1,077,478
6. Step 6: Final answer
   x = 5,155,488.80