Finding the Third Proportional to 4,112,164 and 8,910,776

Step by Step Solution

1. Step 1: Write the proportion equation
   4,112,164 : 8,910,776 = 8,910,776 : x
2. Step 2: Convert to fraction form
   4,112,164/8,910,776 = 8,910,776/x
3. Step 3: Cross multiply
   4,112,164x = 8,910,776 × 8,910,776
4. Step 4: Simplify right side
   4,112,164x = 79,401,928,922,176
5. Step 5: Solve for x
   x = 79,401,928,922,176/4,112,164
6. Step 6: Final answer
   x = 19,309,037.51