Finding the Third Proportional to 631,707 and 1,381,513

Step by Step Solution

1. Step 1: Write the proportion equation
   631,707 : 1,381,513 = 1,381,513 : x
2. Step 2: Convert to fraction form
   631,707/1,381,513 = 1,381,513/x
3. Step 3: Cross multiply
   631,707x = 1,381,513 × 1,381,513
4. Step 4: Simplify right side
   631,707x = 1,908,578,169,169
5. Step 5: Solve for x
   x = 1,908,578,169,169/631,707
6. Step 6: Final answer
   x = 3,021,302.87