Finding the Third Proportional to 918,872 and 1,949,072

Step by Step Solution

1. Step 1: Write the proportion equation
   918,872 : 1,949,072 = 1,949,072 : x
2. Step 2: Convert to fraction form
   918,872/1,949,072 = 1,949,072/x
3. Step 3: Cross multiply
   918,872x = 1,949,072 × 1,949,072
4. Step 4: Simplify right side
   918,872x = 3,798,881,661,184
5. Step 5: Solve for x
   x = 3,798,881,661,184/918,872
6. Step 6: Final answer
   x = 4,134,288.19