Finding the Third Proportional to 7,885,620 and 17,109,678

Step by Step Solution

1. Step 1: Write the proportion equation
   7,885,620 : 17,109,678 = 17,109,678 : x
2. Step 2: Convert to fraction form
   7,885,620/17,109,678 = 17,109,678/x
3. Step 3: Cross multiply
   7,885,620x = 17,109,678 × 17,109,678
4. Step 4: Simplify right side
   7,885,620x = 292,741,081,263,684
5. Step 5: Solve for x
   x = 292,741,081,263,684/7,885,620
6. Step 6: Final answer
   x = 37,123,407.07