Finding the Third Proportional to 9,096,756 and 19,728,369

Step by Step Solution

1. Step 1: Write the proportion equation
   9,096,756 : 19,728,369 = 19,728,369 : x
2. Step 2: Convert to fraction form
   9,096,756/19,728,369 = 19,728,369/x
3. Step 3: Cross multiply
   9,096,756x = 19,728,369 × 19,728,369
4. Step 4: Simplify right side
   9,096,756x = 389,208,543,400,161
5. Step 5: Solve for x
   x = 389,208,543,400,161/9,096,756
6. Step 6: Final answer
   x = 42,785,421.90