Finding the Third Proportional to 3,841,640 and 8,334,448

Step by Step Solution

1. Step 1: Write the proportion equation
   3,841,640 : 8,334,448 = 8,334,448 : x
2. Step 2: Convert to fraction form
   3,841,640/8,334,448 = 8,334,448/x
3. Step 3: Cross multiply
   3,841,640x = 8,334,448 × 8,334,448
4. Step 4: Simplify right side
   3,841,640x = 69,463,023,464,704
5. Step 5: Solve for x
   x = 69,463,023,464,704/3,841,640
6. Step 6: Final answer
   x = 18,081,606.67