Finding the Third Proportional to 1,240,069 and 2,657,285

Step by Step Solution

1. Step 1: Write the proportion equation
   1,240,069 : 2,657,285 = 2,657,285 : x
2. Step 2: Convert to fraction form
   1,240,069/2,657,285 = 2,657,285/x
3. Step 3: Cross multiply
   1,240,069x = 2,657,285 × 2,657,285
4. Step 4: Simplify right side
   1,240,069x = 7,061,163,571,225
5. Step 5: Solve for x
   x = 7,061,163,571,225/1,240,069
6. Step 6: Final answer
   x = 5,694,169.90