Finding the Third Proportional to 4,191,150 and 9,166,878

Step by Step Solution

1. Step 1: Write the proportion equation
   4,191,150 : 9,166,878 = 9,166,878 : x
2. Step 2: Convert to fraction form
   4,191,150/9,166,878 = 9,166,878/x
3. Step 3: Cross multiply
   4,191,150x = 9,166,878 × 9,166,878
4. Step 4: Simplify right side
   4,191,150x = 84,031,652,266,884
5. Step 5: Solve for x
   x = 84,031,652,266,884/4,191,150
6. Step 6: Final answer
   x = 20,049,784.01