Finding the Third Proportional to 904,880 and 1,989,084

Step by Step Solution

1. Step 1: Write the proportion equation
   904,880 : 1,989,084 = 1,989,084 : x
2. Step 2: Convert to fraction form
   904,880/1,989,084 = 1,989,084/x
3. Step 3: Cross multiply
   904,880x = 1,989,084 × 1,989,084
4. Step 4: Simplify right side
   904,880x = 3,956,455,159,056
5. Step 5: Solve for x
   x = 3,956,455,159,056/904,880
6. Step 6: Final answer
   x = 4,372,353.42