Finding the Third Proportional to 706,176 and 1,665,656

Step by Step Solution

1. Step 1: Write the proportion equation
   706,176 : 1,665,656 = 1,665,656 : x
2. Step 2: Convert to fraction form
   706,176/1,665,656 = 1,665,656/x
3. Step 3: Cross multiply
   706,176x = 1,665,656 × 1,665,656
4. Step 4: Simplify right side
   706,176x = 2,774,409,910,336
5. Step 5: Solve for x
   x = 2,774,409,910,336/706,176
6. Step 6: Final answer
   x = 3,928,779.67