Finding the Third Proportional to 3,732,064 and 8,139,392

Step by Step Solution

1. Step 1: Write the proportion equation
   3,732,064 : 8,139,392 = 8,139,392 : x
2. Step 2: Convert to fraction form
   3,732,064/8,139,392 = 8,139,392/x
3. Step 3: Cross multiply
   3,732,064x = 8,139,392 × 8,139,392
4. Step 4: Simplify right side
   3,732,064x = 66,249,702,129,664
5. Step 5: Solve for x
   x = 66,249,702,129,664/3,732,064
6. Step 6: Final answer
   x = 17,751,491.43