Finding the Third Proportional to 7,791,123.38 and 11,643,066.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,791,123.38 : 11,643,066.56 = 11,643,066.56 : x
2. Step 2: Convert to fraction form
   7,791,123.38/11,643,066.56 = 11,643,066.56/x
3. Step 3: Cross multiply
   7,791,123.38x = 11,643,066.56 × 11,643,066.56
4. Step 4: Simplify right side
   7,791,123.38x = 135,560,998,978,805.56
5. Step 5: Solve for x
   x = 135,560,998,978,805.56/7,791,123.38
6. Step 6: Final answer
   x = 17,399,416.29