Finding the Third Proportional to 5,745,064 and 8,736,990

Step by Step Solution

1. Step 1: Write the proportion equation
   5,745,064 : 8,736,990 = 8,736,990 : x
2. Step 2: Convert to fraction form
   5,745,064/8,736,990 = 8,736,990/x
3. Step 3: Cross multiply
   5,745,064x = 8,736,990 × 8,736,990
4. Step 4: Simplify right side
   5,745,064x = 76,334,994,260,100
5. Step 5: Solve for x
   x = 76,334,994,260,100/5,745,064
6. Step 6: Final answer
   x = 13,287,057.25