Finding the Third Proportional to 3,662,640 and 5,388,068

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662,640 : 5,388,068 = 5,388,068 : x
2. Step 2: Convert to fraction form
   3,662,640/5,388,068 = 5,388,068/x
3. Step 3: Cross multiply
   3,662,640x = 5,388,068 × 5,388,068
4. Step 4: Simplify right side
   3,662,640x = 29,031,276,772,624
5. Step 5: Solve for x
   x = 29,031,276,772,624/3,662,640
6. Step 6: Final answer
   x = 7,926,325.48