Finding the Third Proportional to 1,230,412 and 2,635,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,230,412 : 2,635,780 = 2,635,780 : x
2. Step 2: Convert to fraction form
   1,230,412/2,635,780 = 2,635,780/x
3. Step 3: Cross multiply
   1,230,412x = 2,635,780 × 2,635,780
4. Step 4: Simplify right side
   1,230,412x = 6,947,336,208,400
5. Step 5: Solve for x
   x = 6,947,336,208,400/1,230,412
6. Step 6: Final answer
   x = 5,646,349.52