Finding the Third Proportional to 7,768,578 and 17,078,910

Step by Step Solution

1. Step 1: Write the proportion equation
   7,768,578 : 17,078,910 = 17,078,910 : x
2. Step 2: Convert to fraction form
   7,768,578/17,078,910 = 17,078,910/x
3. Step 3: Cross multiply
   7,768,578x = 17,078,910 × 17,078,910
4. Step 4: Simplify right side
   7,768,578x = 291,689,166,788,100
5. Step 5: Solve for x
   x = 291,689,166,788,100/7,768,578
6. Step 6: Final answer
   x = 37,547,304.90