Finding the Third Proportional to 7,878,338 and 17,137,036

Step by Step Solution

1. Step 1: Write the proportion equation
   7,878,338 : 17,137,036 = 17,137,036 : x
2. Step 2: Convert to fraction form
   7,878,338/17,137,036 = 17,137,036/x
3. Step 3: Cross multiply
   7,878,338x = 17,137,036 × 17,137,036
4. Step 4: Simplify right side
   7,878,338x = 293,678,002,865,296
5. Step 5: Solve for x
   x = 293,678,002,865,296/7,878,338
6. Step 6: Final answer
   x = 37,276,644.24