Finding the Third Proportional to 384,463.50 and 890,040

Step by Step Solution

1. Step 1: Write the proportion equation
   384,463.50 : 890,040 = 890,040 : x
2. Step 2: Convert to fraction form
   384,463.50/890,040 = 890,040/x
3. Step 3: Cross multiply
   384,463.50x = 890,040 × 890,040
4. Step 4: Simplify right side
   384,463.50x = 792,171,201,600
5. Step 5: Solve for x
   x = 792,171,201,600/384,463.50
6. Step 6: Final answer
   x = 2,060,458.80