Finding the Third Proportional to 3,591,518 and 5,424,558

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591,518 : 5,424,558 = 5,424,558 : x
2. Step 2: Convert to fraction form
   3,591,518/5,424,558 = 5,424,558/x
3. Step 3: Cross multiply
   3,591,518x = 5,424,558 × 5,424,558
4. Step 4: Simplify right side
   3,591,518x = 29,425,829,495,364
5. Step 5: Solve for x
   x = 29,425,829,495,364/3,591,518
6. Step 6: Final answer
   x = 8,193,145.49