Finding the Third Proportional to 431,976 and 608,050.50

Step by Step Solution

1. Step 1: Write the proportion equation
   431,976 : 608,050.50 = 608,050.50 : x
2. Step 2: Convert to fraction form
   431,976/608,050.50 = 608,050.50/x
3. Step 3: Cross multiply
   431,976x = 608,050.50 × 608,050.50
4. Step 4: Simplify right side
   431,976x = 369,725,410,550.25
5. Step 5: Solve for x
   x = 369,725,410,550.25/431,976
6. Step 6: Final answer
   x = 855,893.41