Finding the Third Proportional to 661,604 and 1,435,231

Step by Step Solution

1. Step 1: Write the proportion equation
   661,604 : 1,435,231 = 1,435,231 : x
2. Step 2: Convert to fraction form
   661,604/1,435,231 = 1,435,231/x
3. Step 3: Cross multiply
   661,604x = 1,435,231 × 1,435,231
4. Step 4: Simplify right side
   661,604x = 2,059,888,023,361
5. Step 5: Solve for x
   x = 2,059,888,023,361/661,604
6. Step 6: Final answer
   x = 3,113,475.77