Finding the Third Proportional to 1,870,632 and 4,040,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,632 : 4,040,172 = 4,040,172 : x
2. Step 2: Convert to fraction form
   1,870,632/4,040,172 = 4,040,172/x
3. Step 3: Cross multiply
   1,870,632x = 4,040,172 × 4,040,172
4. Step 4: Simplify right side
   1,870,632x = 16,322,989,789,584
5. Step 5: Solve for x
   x = 16,322,989,789,584/1,870,632
6. Step 6: Final answer
   x = 8,725,922.46