Finding the Third Proportional to 1,331,513 and 2,912,126

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,513 : 2,912,126 = 2,912,126 : x
2. Step 2: Convert to fraction form
   1,331,513/2,912,126 = 2,912,126/x
3. Step 3: Cross multiply
   1,331,513x = 2,912,126 × 2,912,126
4. Step 4: Simplify right side
   1,331,513x = 8,480,477,839,876
5. Step 5: Solve for x
   x = 8,480,477,839,876/1,331,513
6. Step 6: Final answer
   x = 6,369,053.73