Finding the Third Proportional to 9,555,188 and 20,789,908

Step by Step Solution

1. Step 1: Write the proportion equation
   9,555,188 : 20,789,908 = 20,789,908 : x
2. Step 2: Convert to fraction form
   9,555,188/20,789,908 = 20,789,908/x
3. Step 3: Cross multiply
   9,555,188x = 20,789,908 × 20,789,908
4. Step 4: Simplify right side
   9,555,188x = 432,220,274,648,464
5. Step 5: Solve for x
   x = 432,220,274,648,464/9,555,188
6. Step 6: Final answer
   x = 45,234,094.26