Finding the Third Proportional to 7,799,688 and 17,391,760

Step by Step Solution

1. Step 1: Write the proportion equation
   7,799,688 : 17,391,760 = 17,391,760 : x
2. Step 2: Convert to fraction form
   7,799,688/17,391,760 = 17,391,760/x
3. Step 3: Cross multiply
   7,799,688x = 17,391,760 × 17,391,760
4. Step 4: Simplify right side
   7,799,688x = 302,473,315,897,600
5. Step 5: Solve for x
   x = 302,473,315,897,600/7,799,688
6. Step 6: Final answer
   x = 38,780,181.45