Finding the Third Proportional to 16,378,020 and 25,690,068

Step by Step Solution

1. Step 1: Write the proportion equation
   16,378,020 : 25,690,068 = 25,690,068 : x
2. Step 2: Convert to fraction form
   16,378,020/25,690,068 = 25,690,068/x
3. Step 3: Cross multiply
   16,378,020x = 25,690,068 × 25,690,068
4. Step 4: Simplify right side
   16,378,020x = 659,979,593,844,624
5. Step 5: Solve for x
   x = 659,979,593,844,624/16,378,020
6. Step 6: Final answer
   x = 40,296,665.52