Finding the Third Proportional to 705,692 and 1,665,624

Step by Step Solution

1. Step 1: Write the proportion equation
   705,692 : 1,665,624 = 1,665,624 : x
2. Step 2: Convert to fraction form
   705,692/1,665,624 = 1,665,624/x
3. Step 3: Cross multiply
   705,692x = 1,665,624 × 1,665,624
4. Step 4: Simplify right side
   705,692x = 2,774,303,309,376
5. Step 5: Solve for x
   x = 2,774,303,309,376/705,692
6. Step 6: Final answer
   x = 3,931,323.17