Finding the Third Proportional to 1,242,434 and 2,661,940

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,434 : 2,661,940 = 2,661,940 : x
2. Step 2: Convert to fraction form
   1,242,434/2,661,940 = 2,661,940/x
3. Step 3: Cross multiply
   1,242,434x = 2,661,940 × 2,661,940
4. Step 4: Simplify right side
   1,242,434x = 7,085,924,563,600
5. Step 5: Solve for x
   x = 7,085,924,563,600/1,242,434
6. Step 6: Final answer
   x = 5,703,260.35