Finding the Third Proportional to 3,151,584 and 4,589,550

Step by Step Solution

1. Step 1: Write the proportion equation
   3,151,584 : 4,589,550 = 4,589,550 : x
2. Step 2: Convert to fraction form
   3,151,584/4,589,550 = 4,589,550/x
3. Step 3: Cross multiply
   3,151,584x = 4,589,550 × 4,589,550
4. Step 4: Simplify right side
   3,151,584x = 21,063,969,202,500
5. Step 5: Solve for x
   x = 21,063,969,202,500/3,151,584
6. Step 6: Final answer
   x = 6,683,613.45