Finding the Third Proportional to 1,140,240 and 2,478,946

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,240 : 2,478,946 = 2,478,946 : x
2. Step 2: Convert to fraction form
   1,140,240/2,478,946 = 2,478,946/x
3. Step 3: Cross multiply
   1,140,240x = 2,478,946 × 2,478,946
4. Step 4: Simplify right side
   1,140,240x = 6,145,173,270,916
5. Step 5: Solve for x
   x = 6,145,173,270,916/1,140,240
6. Step 6: Final answer
   x = 5,389,368.27