Finding the Third Proportional to 2,134,872 and 4,689,612

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134,872 : 4,689,612 = 4,689,612 : x
2. Step 2: Convert to fraction form
   2,134,872/4,689,612 = 4,689,612/x
3. Step 3: Cross multiply
   2,134,872x = 4,689,612 × 4,689,612
4. Step 4: Simplify right side
   2,134,872x = 21,992,460,710,544
5. Step 5: Solve for x
   x = 21,992,460,710,544/2,134,872
6. Step 6: Final answer
   x = 10,301,535.98