Finding the Third Proportional to 1,257,234 and 2,713,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,234 : 2,713,620 = 2,713,620 : x
2. Step 2: Convert to fraction form
   1,257,234/2,713,620 = 2,713,620/x
3. Step 3: Cross multiply
   1,257,234x = 2,713,620 × 2,713,620
4. Step 4: Simplify right side
   1,257,234x = 7,363,733,504,400
5. Step 5: Solve for x
   x = 7,363,733,504,400/1,257,234
6. Step 6: Final answer
   x = 5,857,090.65