Finding the Third Proportional to 639,527.63 and 1,375,830

Step by Step Solution

1. Step 1: Write the proportion equation
   639,527.63 : 1,375,830 = 1,375,830 : x
2. Step 2: Convert to fraction form
   639,527.63/1,375,830 = 1,375,830/x
3. Step 3: Cross multiply
   639,527.63x = 1,375,830 × 1,375,830
4. Step 4: Simplify right side
   639,527.63x = 1,892,908,188,900
5. Step 5: Solve for x
   x = 1,892,908,188,900/639,527.63
6. Step 6: Final answer
   x = 2,959,853.67