Finding the Third Proportional to 1,664,583 and 3,591,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,583 : 3,591,390 = 3,591,390 : x
2. Step 2: Convert to fraction form
   1,664,583/3,591,390 = 3,591,390/x
3. Step 3: Cross multiply
   1,664,583x = 3,591,390 × 3,591,390
4. Step 4: Simplify right side
   1,664,583x = 12,898,082,132,100
5. Step 5: Solve for x
   x = 12,898,082,132,100/1,664,583
6. Step 6: Final answer
   x = 7,748,536.50