Finding the Third Proportional to 475,803 and 700,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   475,803 : 700,561.50 = 700,561.50 : x
2. Step 2: Convert to fraction form
   475,803/700,561.50 = 700,561.50/x
3. Step 3: Cross multiply
   475,803x = 700,561.50 × 700,561.50
4. Step 4: Simplify right side
   475,803x = 490,786,415,282.25
5. Step 5: Solve for x
   x = 490,786,415,282.25/475,803
6. Step 6: Final answer
   x = 1,031,490.80