Finding the Third Proportional to 1,230,878 and 2,559,604

Step by Step Solution

1. Step 1: Write the proportion equation
   1,230,878 : 2,559,604 = 2,559,604 : x
2. Step 2: Convert to fraction form
   1,230,878/2,559,604 = 2,559,604/x
3. Step 3: Cross multiply
   1,230,878x = 2,559,604 × 2,559,604
4. Step 4: Simplify right side
   1,230,878x = 6,551,572,636,816
5. Step 5: Solve for x
   x = 6,551,572,636,816/1,230,878
6. Step 6: Final answer
   x = 5,322,682.38