Finding the Third Proportional to 3,973,627 and 8,582,438

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973,627 : 8,582,438 = 8,582,438 : x
2. Step 2: Convert to fraction form
   3,973,627/8,582,438 = 8,582,438/x
3. Step 3: Cross multiply
   3,973,627x = 8,582,438 × 8,582,438
4. Step 4: Simplify right side
   3,973,627x = 73,658,242,023,844
5. Step 5: Solve for x
   x = 73,658,242,023,844/3,973,627
6. Step 6: Final answer
   x = 18,536,778.12