Finding the Third Proportional to 1,139,684 and 2,437,480

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,684 : 2,437,480 = 2,437,480 : x
2. Step 2: Convert to fraction form
   1,139,684/2,437,480 = 2,437,480/x
3. Step 3: Cross multiply
   1,139,684x = 2,437,480 × 2,437,480
4. Step 4: Simplify right side
   1,139,684x = 5,941,308,750,400
5. Step 5: Solve for x
   x = 5,941,308,750,400/1,139,684
6. Step 6: Final answer
   x = 5,213,119.38