Finding the Third Proportional to 1,391,163 and 2,931,762

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,163 : 2,931,762 = 2,931,762 : x
2. Step 2: Convert to fraction form
   1,391,163/2,931,762 = 2,931,762/x
3. Step 3: Cross multiply
   1,391,163x = 2,931,762 × 2,931,762
4. Step 4: Simplify right side
   1,391,163x = 8,595,228,424,644
5. Step 5: Solve for x
   x = 8,595,228,424,644/1,391,163
6. Step 6: Final answer
   x = 6,178,448.12