Finding the Third Proportional to 631,240 and 1,373,072

Step by Step Solution

1. Step 1: Write the proportion equation
   631,240 : 1,373,072 = 1,373,072 : x
2. Step 2: Convert to fraction form
   631,240/1,373,072 = 1,373,072/x
3. Step 3: Cross multiply
   631,240x = 1,373,072 × 1,373,072
4. Step 4: Simplify right side
   631,240x = 1,885,326,717,184
5. Step 5: Solve for x
   x = 1,885,326,717,184/631,240
6. Step 6: Final answer
   x = 2,986,703.50