Finding the Third Proportional to 661,392 and 1,432,656

Step by Step Solution

1. Step 1: Write the proportion equation
   661,392 : 1,432,656 = 1,432,656 : x
2. Step 2: Convert to fraction form
   661,392/1,432,656 = 1,432,656/x
3. Step 3: Cross multiply
   661,392x = 1,432,656 × 1,432,656
4. Step 4: Simplify right side
   661,392x = 2,052,503,214,336
5. Step 5: Solve for x
   x = 2,052,503,214,336/661,392
6. Step 6: Final answer
   x = 3,103,308.20