Finding the Third Proportional to 612,102 and 1,296,942

Step by Step Solution

1. Step 1: Write the proportion equation
   612,102 : 1,296,942 = 1,296,942 : x
2. Step 2: Convert to fraction form
   612,102/1,296,942 = 1,296,942/x
3. Step 3: Cross multiply
   612,102x = 1,296,942 × 1,296,942
4. Step 4: Simplify right side
   612,102x = 1,682,058,551,364
5. Step 5: Solve for x
   x = 1,682,058,551,364/612,102
6. Step 6: Final answer
   x = 2,748,003.68