Finding the Third Proportional to 1,236,312 and 2,607,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,312 : 2,607,660 = 2,607,660 : x
2. Step 2: Convert to fraction form
   1,236,312/2,607,660 = 2,607,660/x
3. Step 3: Cross multiply
   1,236,312x = 2,607,660 × 2,607,660
4. Step 4: Simplify right side
   1,236,312x = 6,799,890,675,600
5. Step 5: Solve for x
   x = 6,799,890,675,600/1,236,312
6. Step 6: Final answer
   x = 5,500,141.29