Finding the Third Proportional to 3,669,178 and 8,633,359

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,178 : 8,633,359 = 8,633,359 : x
2. Step 2: Convert to fraction form
   3,669,178/8,633,359 = 8,633,359/x
3. Step 3: Cross multiply
   3,669,178x = 8,633,359 × 8,633,359
4. Step 4: Simplify right side
   3,669,178x = 74,534,887,622,881
5. Step 5: Solve for x
   x = 74,534,887,622,881/3,669,178
6. Step 6: Final answer
   x = 20,313,783.53