Finding the Third Proportional to 1,196,946 and 2,559,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,946 : 2,559,780 = 2,559,780 : x
2. Step 2: Convert to fraction form
   1,196,946/2,559,780 = 2,559,780/x
3. Step 3: Cross multiply
   1,196,946x = 2,559,780 × 2,559,780
4. Step 4: Simplify right side
   1,196,946x = 6,552,473,648,400
5. Step 5: Solve for x
   x = 6,552,473,648,400/1,196,946
6. Step 6: Final answer
   x = 5,474,326.87