Finding the Third Proportional to 217,444.50 and 441,003

Step by Step Solution

1. Step 1: Write the proportion equation
   217,444.50 : 441,003 = 441,003 : x
2. Step 2: Convert to fraction form
   217,444.50/441,003 = 441,003/x
3. Step 3: Cross multiply
   217,444.50x = 441,003 × 441,003
4. Step 4: Simplify right side
   217,444.50x = 194,483,646,009
5. Step 5: Solve for x
   x = 194,483,646,009/217,444.50
6. Step 6: Final answer
   x = 894,405.91