Finding the Third Proportional to 1,236,393 and 2,636,100

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,393 : 2,636,100 = 2,636,100 : x
2. Step 2: Convert to fraction form
   1,236,393/2,636,100 = 2,636,100/x
3. Step 3: Cross multiply
   1,236,393x = 2,636,100 × 2,636,100
4. Step 4: Simplify right side
   1,236,393x = 6,949,023,210,000
5. Step 5: Solve for x
   x = 6,949,023,210,000/1,236,393
6. Step 6: Final answer
   x = 5,620,399.99