Finding the Third Proportional to 638,050.50 and 1,392,003

Step by Step Solution

1. Step 1: Write the proportion equation
   638,050.50 : 1,392,003 = 1,392,003 : x
2. Step 2: Convert to fraction form
   638,050.50/1,392,003 = 1,392,003/x
3. Step 3: Cross multiply
   638,050.50x = 1,392,003 × 1,392,003
4. Step 4: Simplify right side
   638,050.50x = 1,937,672,352,009
5. Step 5: Solve for x
   x = 1,937,672,352,009/638,050.50
6. Step 6: Final answer
   x = 3,036,863.62