Finding the Third Proportional to 4,165,612 and 9,130,208

Step by Step Solution

1. Step 1: Write the proportion equation
   4,165,612 : 9,130,208 = 9,130,208 : x
2. Step 2: Convert to fraction form
   4,165,612/9,130,208 = 9,130,208/x
3. Step 3: Cross multiply
   4,165,612x = 9,130,208 × 9,130,208
4. Step 4: Simplify right side
   4,165,612x = 83,360,698,123,264
5. Step 5: Solve for x
   x = 83,360,698,123,264/4,165,612
6. Step 6: Final answer
   x = 20,011,632.89