Finding the Third Proportional to 4,189,158 and 9,124,803

Step by Step Solution

1. Step 1: Write the proportion equation
   4,189,158 : 9,124,803 = 9,124,803 : x
2. Step 2: Convert to fraction form
   4,189,158/9,124,803 = 9,124,803/x
3. Step 3: Cross multiply
   4,189,158x = 9,124,803 × 9,124,803
4. Step 4: Simplify right side
   4,189,158x = 83,262,029,788,809
5. Step 5: Solve for x
   x = 83,262,029,788,809/4,189,158
6. Step 6: Final answer
   x = 19,875,600.25