Finding the Third Proportional to 661,644 and 1,435,310

Step by Step Solution

1. Step 1: Write the proportion equation
   661,644 : 1,435,310 = 1,435,310 : x
2. Step 2: Convert to fraction form
   661,644/1,435,310 = 1,435,310/x
3. Step 3: Cross multiply
   661,644x = 1,435,310 × 1,435,310
4. Step 4: Simplify right side
   661,644x = 2,060,114,796,100
5. Step 5: Solve for x
   x = 2,060,114,796,100/661,644
6. Step 6: Final answer
   x = 3,113,630.28