Finding the Third Proportional to 423,035 and 655,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   423,035 : 655,345.50 = 655,345.50 : x
2. Step 2: Convert to fraction form
   423,035/655,345.50 = 655,345.50/x
3. Step 3: Cross multiply
   423,035x = 655,345.50 × 655,345.50
4. Step 4: Simplify right side
   423,035x = 429,477,724,370.25
5. Step 5: Solve for x
   x = 429,477,724,370.25/423,035
6. Step 6: Final answer
   x = 1,015,229.77