Finding the Third Proportional to 435,903 and 666,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   435,903 : 666,532.50 = 666,532.50 : x
2. Step 2: Convert to fraction form
   435,903/666,532.50 = 666,532.50/x
3. Step 3: Cross multiply
   435,903x = 666,532.50 × 666,532.50
4. Step 4: Simplify right side
   435,903x = 444,265,573,556.25
5. Step 5: Solve for x
   x = 444,265,573,556.25/435,903
6. Step 6: Final answer
   x = 1,019,184.48