Finding the Third Proportional to 706,144 and 1,665,536

Step by Step Solution

1. Step 1: Write the proportion equation
   706,144 : 1,665,536 = 1,665,536 : x
2. Step 2: Convert to fraction form
   706,144/1,665,536 = 1,665,536/x
3. Step 3: Cross multiply
   706,144x = 1,665,536 × 1,665,536
4. Step 4: Simplify right side
   706,144x = 2,774,010,167,296
5. Step 5: Solve for x
   x = 2,774,010,167,296/706,144
6. Step 6: Final answer
   x = 3,928,391.61