Finding the Third Proportional to 659,245 and 1,439,299

Step by Step Solution

1. Step 1: Write the proportion equation
   659,245 : 1,439,299 = 1,439,299 : x
2. Step 2: Convert to fraction form
   659,245/1,439,299 = 1,439,299/x
3. Step 3: Cross multiply
   659,245x = 1,439,299 × 1,439,299
4. Step 4: Simplify right side
   659,245x = 2,071,581,611,401
5. Step 5: Solve for x
   x = 2,071,581,611,401/659,245
6. Step 6: Final answer
   x = 3,142,354.68