Finding the Third Proportional to 3,877,340 and 8,524,716

Step by Step Solution

1. Step 1: Write the proportion equation
   3,877,340 : 8,524,716 = 8,524,716 : x
2. Step 2: Convert to fraction form
   3,877,340/8,524,716 = 8,524,716/x
3. Step 3: Cross multiply
   3,877,340x = 8,524,716 × 8,524,716
4. Step 4: Simplify right side
   3,877,340x = 72,670,782,880,656
5. Step 5: Solve for x
   x = 72,670,782,880,656/3,877,340
6. Step 6: Final answer
   x = 18,742,432.41