Finding the Third Proportional to 455,193 and 655,678.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,193 : 655,678.50 = 655,678.50 : x
2. Step 2: Convert to fraction form
   455,193/655,678.50 = 655,678.50/x
3. Step 3: Cross multiply
   455,193x = 655,678.50 × 655,678.50
4. Step 4: Simplify right side
   455,193x = 429,914,295,362.25
5. Step 5: Solve for x
   x = 429,914,295,362.25/455,193
6. Step 6: Final answer
   x = 944,465.96