Finding the Third Proportional to 3,807,424 and 8,309,375

Step by Step Solution

1. Step 1: Write the proportion equation
   3,807,424 : 8,309,375 = 8,309,375 : x
2. Step 2: Convert to fraction form
   3,807,424/8,309,375 = 8,309,375/x
3. Step 3: Cross multiply
   3,807,424x = 8,309,375 × 8,309,375
4. Step 4: Simplify right side
   3,807,424x = 69,045,712,890,625
5. Step 5: Solve for x
   x = 69,045,712,890,625/3,807,424
6. Step 6: Final answer
   x = 18,134,495.37