Finding the Third Proportional to 679,069.50 and 1,439,088

Step by Step Solution

1. Step 1: Write the proportion equation
   679,069.50 : 1,439,088 = 1,439,088 : x
2. Step 2: Convert to fraction form
   679,069.50/1,439,088 = 1,439,088/x
3. Step 3: Cross multiply
   679,069.50x = 1,439,088 × 1,439,088
4. Step 4: Simplify right side
   679,069.50x = 2,070,974,271,744
5. Step 5: Solve for x
   x = 2,070,974,271,744/679,069.50
6. Step 6: Final answer
   x = 3,049,723.59