Finding the Third Proportional to 3,874,640 and 5,318,832

Step by Step Solution

1. Step 1: Write the proportion equation
   3,874,640 : 5,318,832 = 5,318,832 : x
2. Step 2: Convert to fraction form
   3,874,640/5,318,832 = 5,318,832/x
3. Step 3: Cross multiply
   3,874,640x = 5,318,832 × 5,318,832
4. Step 4: Simplify right side
   3,874,640x = 28,289,973,844,224
5. Step 5: Solve for x
   x = 28,289,973,844,224/3,874,640
6. Step 6: Final answer
   x = 7,301,316.73