Finding the Third Proportional to 3,672,640 and 5,614,172

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672,640 : 5,614,172 = 5,614,172 : x
2. Step 2: Convert to fraction form
   3,672,640/5,614,172 = 5,614,172/x
3. Step 3: Cross multiply
   3,672,640x = 5,614,172 × 5,614,172
4. Step 4: Simplify right side
   3,672,640x = 31,518,927,245,584
5. Step 5: Solve for x
   x = 31,518,927,245,584/3,672,640
6. Step 6: Final answer
   x = 8,582,090.06