Finding the Third Proportional to 4,359,546 and 7,178,448

Step by Step Solution

1. Step 1: Write the proportion equation
   4,359,546 : 7,178,448 = 7,178,448 : x
2. Step 2: Convert to fraction form
   4,359,546/7,178,448 = 7,178,448/x
3. Step 3: Cross multiply
   4,359,546x = 7,178,448 × 7,178,448
4. Step 4: Simplify right side
   4,359,546x = 51,530,115,688,704
5. Step 5: Solve for x
   x = 51,530,115,688,704/4,359,546
6. Step 6: Final answer
   x = 11,820,064.68