Finding the Third Proportional to 475,899 and 700,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   475,899 : 700,690.50 = 700,690.50 : x
2. Step 2: Convert to fraction form
   475,899/700,690.50 = 700,690.50/x
3. Step 3: Cross multiply
   475,899x = 700,690.50 × 700,690.50
4. Step 4: Simplify right side
   475,899x = 490,967,176,790.25
5. Step 5: Solve for x
   x = 490,967,176,790.25/475,899
6. Step 6: Final answer
   x = 1,031,662.55