Finding the Third Proportional to 6,467,458 and 10,778,448

Step by Step Solution

1. Step 1: Write the proportion equation
   6,467,458 : 10,778,448 = 10,778,448 : x
2. Step 2: Convert to fraction form
   6,467,458/10,778,448 = 10,778,448/x
3. Step 3: Cross multiply
   6,467,458x = 10,778,448 × 10,778,448
4. Step 4: Simplify right side
   6,467,458x = 116,174,941,288,704
5. Step 5: Solve for x
   x = 116,174,941,288,704/6,467,458
6. Step 6: Final answer
   x = 17,962,998.95