Finding the Third Proportional to 1,236,600 and 2,712,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,600 : 2,712,312 = 2,712,312 : x
2. Step 2: Convert to fraction form
   1,236,600/2,712,312 = 2,712,312/x
3. Step 3: Cross multiply
   1,236,600x = 2,712,312 × 2,712,312
4. Step 4: Simplify right side
   1,236,600x = 7,356,636,385,344
5. Step 5: Solve for x
   x = 7,356,636,385,344/1,236,600
6. Step 6: Final answer
   x = 5,949,083.28