Finding the Third Proportional to 3,118,215 and 4,664,607

Step by Step Solution

1. Step 1: Write the proportion equation
   3,118,215 : 4,664,607 = 4,664,607 : x
2. Step 2: Convert to fraction form
   3,118,215/4,664,607 = 4,664,607/x
3. Step 3: Cross multiply
   3,118,215x = 4,664,607 × 4,664,607
4. Step 4: Simplify right side
   3,118,215x = 21,758,558,464,449
5. Step 5: Solve for x
   x = 21,758,558,464,449/3,118,215
6. Step 6: Final answer
   x = 6,977,889.10