Finding the Third Proportional to 1,331,538 and 2,912,176

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,538 : 2,912,176 = 2,912,176 : x
2. Step 2: Convert to fraction form
   1,331,538/2,912,176 = 2,912,176/x
3. Step 3: Cross multiply
   1,331,538x = 2,912,176 × 2,912,176
4. Step 4: Simplify right side
   1,331,538x = 8,480,769,054,976
5. Step 5: Solve for x
   x = 8,480,769,054,976/1,331,538
6. Step 6: Final answer
   x = 6,369,152.86