Finding the Third Proportional to 1,312,431 and 1,995,192

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,431 : 1,995,192 = 1,995,192 : x
2. Step 2: Convert to fraction form
   1,312,431/1,995,192 = 1,995,192/x
3. Step 3: Cross multiply
   1,312,431x = 1,995,192 × 1,995,192
4. Step 4: Simplify right side
   1,312,431x = 3,980,791,116,864
5. Step 5: Solve for x
   x = 3,980,791,116,864/1,312,431
6. Step 6: Final answer
   x = 3,033,143.16