Finding the Third Proportional to 5,436,198.56 and 7,619,781.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436,198.56 : 7,619,781.38 = 7,619,781.38 : x
2. Step 2: Convert to fraction form
   5,436,198.56/7,619,781.38 = 7,619,781.38/x
3. Step 3: Cross multiply
   5,436,198.56x = 7,619,781.38 × 7,619,781.38
4. Step 4: Simplify right side
   5,436,198.56x = 58,061,068,202,796.89
5. Step 5: Solve for x
   x = 58,061,068,202,796.89/5,436,198.56
6. Step 6: Final answer
   x = 10,680,453.91