Finding the Third Proportional to 996,970 and 2,174,390

Step by Step Solution

1. Step 1: Write the proportion equation
   996,970 : 2,174,390 = 2,174,390 : x
2. Step 2: Convert to fraction form
   996,970/2,174,390 = 2,174,390/x
3. Step 3: Cross multiply
   996,970x = 2,174,390 × 2,174,390
4. Step 4: Simplify right side
   996,970x = 4,727,971,872,100
5. Step 5: Solve for x
   x = 4,727,971,872,100/996,970
6. Step 6: Final answer
   x = 4,742,341.17