Finding the Third Proportional to 9,131,676 and 13,709,526

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131,676 : 13,709,526 = 13,709,526 : x
2. Step 2: Convert to fraction form
   9,131,676/13,709,526 = 13,709,526/x
3. Step 3: Cross multiply
   9,131,676x = 13,709,526 × 13,709,526
4. Step 4: Simplify right side
   9,131,676x = 187,951,103,144,676
5. Step 5: Solve for x
   x = 187,951,103,144,676/9,131,676
6. Step 6: Final answer
   x = 20,582,322.80