Finding the Third Proportional to 672,555 and 1,455,003

Step by Step Solution

1. Step 1: Write the proportion equation
   672,555 : 1,455,003 = 1,455,003 : x
2. Step 2: Convert to fraction form
   672,555/1,455,003 = 1,455,003/x
3. Step 3: Cross multiply
   672,555x = 1,455,003 × 1,455,003
4. Step 4: Simplify right side
   672,555x = 2,117,033,730,009
5. Step 5: Solve for x
   x = 2,117,033,730,009/672,555
6. Step 6: Final answer
   x = 3,147,748.11