Finding the Third Proportional to 3,755,554 and 8,109,778

Step by Step Solution

1. Step 1: Write the proportion equation
   3,755,554 : 8,109,778 = 8,109,778 : x
2. Step 2: Convert to fraction form
   3,755,554/8,109,778 = 8,109,778/x
3. Step 3: Cross multiply
   3,755,554x = 8,109,778 × 8,109,778
4. Step 4: Simplify right side
   3,755,554x = 65,768,499,209,284
5. Step 5: Solve for x
   x = 65,768,499,209,284/3,755,554
6. Step 6: Final answer
   x = 17,512,329.53