Finding the Third Proportional to 1,291,583 and 2,839,810

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291,583 : 2,839,810 = 2,839,810 : x
2. Step 2: Convert to fraction form
   1,291,583/2,839,810 = 2,839,810/x
3. Step 3: Cross multiply
   1,291,583x = 2,839,810 × 2,839,810
4. Step 4: Simplify right side
   1,291,583x = 8,064,520,836,100
5. Step 5: Solve for x
   x = 8,064,520,836,100/1,291,583
6. Step 6: Final answer
   x = 6,243,904.45