Finding the Third Proportional to 4,189,230 and 9,124,932

Step by Step Solution

1. Step 1: Write the proportion equation
   4,189,230 : 9,124,932 = 9,124,932 : x
2. Step 2: Convert to fraction form
   4,189,230/9,124,932 = 9,124,932/x
3. Step 3: Cross multiply
   4,189,230x = 9,124,932 × 9,124,932
4. Step 4: Simplify right side
   4,189,230x = 83,264,384,004,624
5. Step 5: Solve for x
   x = 83,264,384,004,624/4,189,230
6. Step 6: Final answer
   x = 19,875,820.62