Finding the Third Proportional to 603,645 and 845,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   603,645 : 845,995.50 = 845,995.50 : x
2. Step 2: Convert to fraction form
   603,645/845,995.50 = 845,995.50/x
3. Step 3: Cross multiply
   603,645x = 845,995.50 × 845,995.50
4. Step 4: Simplify right side
   603,645x = 715,708,386,020.25
5. Step 5: Solve for x
   x = 715,708,386,020.25/603,645
6. Step 6: Final answer
   x = 1,185,644.52