Finding the Third Proportional to 1,272,312 and 2,773,257

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,312 : 2,773,257 = 2,773,257 : x
2. Step 2: Convert to fraction form
   1,272,312/2,773,257 = 2,773,257/x
3. Step 3: Cross multiply
   1,272,312x = 2,773,257 × 2,773,257
4. Step 4: Simplify right side
   1,272,312x = 7,690,954,388,049
5. Step 5: Solve for x
   x = 7,690,954,388,049/1,272,312
6. Step 6: Final answer
   x = 6,044,865.09