Finding the Third Proportional to 5,720,558 and 8,393,829

Step by Step Solution

1. Step 1: Write the proportion equation
   5,720,558 : 8,393,829 = 8,393,829 : x
2. Step 2: Convert to fraction form
   5,720,558/8,393,829 = 8,393,829/x
3. Step 3: Cross multiply
   5,720,558x = 8,393,829 × 8,393,829
4. Step 4: Simplify right side
   5,720,558x = 70,456,365,281,241
5. Step 5: Solve for x
   x = 70,456,365,281,241/5,720,558
6. Step 6: Final answer
   x = 12,316,344.89