Finding the Third Proportional to 3,943,732 and 8,485,244

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943,732 : 8,485,244 = 8,485,244 : x
2. Step 2: Convert to fraction form
   3,943,732/8,485,244 = 8,485,244/x
3. Step 3: Cross multiply
   3,943,732x = 8,485,244 × 8,485,244
4. Step 4: Simplify right side
   3,943,732x = 71,999,365,739,536
5. Step 5: Solve for x
   x = 71,999,365,739,536/3,943,732
6. Step 6: Final answer
   x = 18,256,657.84