Finding the Third Proportional to 915,876 and 1,401,012

Step by Step Solution

1. Step 1: Write the proportion equation
   915,876 : 1,401,012 = 1,401,012 : x
2. Step 2: Convert to fraction form
   915,876/1,401,012 = 1,401,012/x
3. Step 3: Cross multiply
   915,876x = 1,401,012 × 1,401,012
4. Step 4: Simplify right side
   915,876x = 1,962,834,624,144
5. Step 5: Solve for x
   x = 1,962,834,624,144/915,876
6. Step 6: Final answer
   x = 2,143,122.68