Finding the Third Proportional to 1,331,284 and 2,915,991

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,284 : 2,915,991 = 2,915,991 : x
2. Step 2: Convert to fraction form
   1,331,284/2,915,991 = 2,915,991/x
3. Step 3: Cross multiply
   1,331,284x = 2,915,991 × 2,915,991
4. Step 4: Simplify right side
   1,331,284x = 8,503,003,512,081
5. Step 5: Solve for x
   x = 8,503,003,512,081/1,331,284
6. Step 6: Final answer
   x = 6,387,069.56