Finding the Third Proportional to 1,231,070 and 1,891,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,070 : 1,891,072 = 1,891,072 : x
2. Step 2: Convert to fraction form
   1,231,070/1,891,072 = 1,891,072/x
3. Step 3: Cross multiply
   1,231,070x = 1,891,072 × 1,891,072
4. Step 4: Simplify right side
   1,231,070x = 3,576,153,309,184
5. Step 5: Solve for x
   x = 3,576,153,309,184/1,231,070
6. Step 6: Final answer
   x = 2,904,914.68