Finding the Third Proportional to 660,760 and 1,050,215

Step by Step Solution

1. Step 1: Write the proportion equation
   660,760 : 1,050,215 = 1,050,215 : x
2. Step 2: Convert to fraction form
   660,760/1,050,215 = 1,050,215/x
3. Step 3: Cross multiply
   660,760x = 1,050,215 × 1,050,215
4. Step 4: Simplify right side
   660,760x = 1,102,951,546,225
5. Step 5: Solve for x
   x = 1,102,951,546,225/660,760
6. Step 6: Final answer
   x = 1,669,216.58