Finding the Third Proportional to 661,651.50 and 1,435,305

Step by Step Solution

1. Step 1: Write the proportion equation
   661,651.50 : 1,435,305 = 1,435,305 : x
2. Step 2: Convert to fraction form
   661,651.50/1,435,305 = 1,435,305/x
3. Step 3: Cross multiply
   661,651.50x = 1,435,305 × 1,435,305
4. Step 4: Simplify right side
   661,651.50x = 2,060,100,443,025
5. Step 5: Solve for x
   x = 2,060,100,443,025/661,651.50
6. Step 6: Final answer
   x = 3,113,573.30