Finding the Third Proportional to 1,207,072 and 2,646,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,072 : 2,646,272 = 2,646,272 : x
2. Step 2: Convert to fraction form
   1,207,072/2,646,272 = 2,646,272/x
3. Step 3: Cross multiply
   1,207,072x = 2,646,272 × 2,646,272
4. Step 4: Simplify right side
   1,207,072x = 7,002,755,497,984
5. Step 5: Solve for x
   x = 7,002,755,497,984/1,207,072
6. Step 6: Final answer
   x = 5,801,439.76