Finding the Third Proportional to 799,215 and 1,712,145

Step by Step Solution

1. Step 1: Write the proportion equation
   799,215 : 1,712,145 = 1,712,145 : x
2. Step 2: Convert to fraction form
   799,215/1,712,145 = 1,712,145/x
3. Step 3: Cross multiply
   799,215x = 1,712,145 × 1,712,145
4. Step 4: Simplify right side
   799,215x = 2,931,440,501,025
5. Step 5: Solve for x
   x = 2,931,440,501,025/799,215
6. Step 6: Final answer
   x = 3,667,899.75