Finding the Third Proportional to 383,151 and 580,045.50

Step by Step Solution

1. Step 1: Write the proportion equation
   383,151 : 580,045.50 = 580,045.50 : x
2. Step 2: Convert to fraction form
   383,151/580,045.50 = 580,045.50/x
3. Step 3: Cross multiply
   383,151x = 580,045.50 × 580,045.50
4. Step 4: Simplify right side
   383,151x = 336,452,782,070.25
5. Step 5: Solve for x
   x = 336,452,782,070.25/383,151
6. Step 6: Final answer
   x = 878,120.59