Finding the Third Proportional to 6,467,464 and 10,778,458

Step by Step Solution

1. Step 1: Write the proportion equation
   6,467,464 : 10,778,458 = 10,778,458 : x
2. Step 2: Convert to fraction form
   6,467,464/10,778,458 = 10,778,458/x
3. Step 3: Cross multiply
   6,467,464x = 10,778,458 × 10,778,458
4. Step 4: Simplify right side
   6,467,464x = 116,175,156,857,764
5. Step 5: Solve for x
   x = 116,175,156,857,764/6,467,464
6. Step 6: Final answer
   x = 17,963,015.62