Finding the Third Proportional to 705,672 and 1,665,576

Step by Step Solution

1. Step 1: Write the proportion equation
   705,672 : 1,665,576 = 1,665,576 : x
2. Step 2: Convert to fraction form
   705,672/1,665,576 = 1,665,576/x
3. Step 3: Cross multiply
   705,672x = 1,665,576 × 1,665,576
4. Step 4: Simplify right side
   705,672x = 2,774,143,411,776
5. Step 5: Solve for x
   x = 2,774,143,411,776/705,672
6. Step 6: Final answer
   x = 3,931,208