Finding the Third Proportional to 7,878,328 and 17,137,022

Step by Step Solution

1. Step 1: Write the proportion equation
   7,878,328 : 17,137,022 = 17,137,022 : x
2. Step 2: Convert to fraction form
   7,878,328/17,137,022 = 17,137,022/x
3. Step 3: Cross multiply
   7,878,328x = 17,137,022 × 17,137,022
4. Step 4: Simplify right side
   7,878,328x = 293,677,523,028,484
5. Step 5: Solve for x
   x = 293,677,523,028,484/7,878,328
6. Step 6: Final answer
   x = 37,276,630.65