Finding the Third Proportional to 1,144,822 and 1,780,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,822 : 1,780,272 = 1,780,272 : x
2. Step 2: Convert to fraction form
   1,144,822/1,780,272 = 1,780,272/x
3. Step 3: Cross multiply
   1,144,822x = 1,780,272 × 1,780,272
4. Step 4: Simplify right side
   1,144,822x = 3,169,368,393,984
5. Step 5: Solve for x
   x = 3,169,368,393,984/1,144,822
6. Step 6: Final answer
   x = 2,768,437.71