Finding the Third Proportional to 1,211,236 and 2,623,108

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211,236 : 2,623,108 = 2,623,108 : x
2. Step 2: Convert to fraction form
   1,211,236/2,623,108 = 2,623,108/x
3. Step 3: Cross multiply
   1,211,236x = 2,623,108 × 2,623,108
4. Step 4: Simplify right side
   1,211,236x = 6,880,695,579,664
5. Step 5: Solve for x
   x = 6,880,695,579,664/1,211,236
6. Step 6: Final answer
   x = 5,680,722.48