Finding the Third Proportional to 1,293,215 and 2,810,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293,215 : 2,810,272 = 2,810,272 : x
2. Step 2: Convert to fraction form
   1,293,215/2,810,272 = 2,810,272/x
3. Step 3: Cross multiply
   1,293,215x = 2,810,272 × 2,810,272
4. Step 4: Simplify right side
   1,293,215x = 7,897,628,713,984
5. Step 5: Solve for x
   x = 7,897,628,713,984/1,293,215
6. Step 6: Final answer
   x = 6,106,972.71