Finding the Third Proportional to 391,284 and 595,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   391,284 : 595,147.50 = 595,147.50 : x
2. Step 2: Convert to fraction form
   391,284/595,147.50 = 595,147.50/x
3. Step 3: Cross multiply
   391,284x = 595,147.50 × 595,147.50
4. Step 4: Simplify right side
   391,284x = 354,200,546,756.25
5. Step 5: Solve for x
   x = 354,200,546,756.25/391,284
6. Step 6: Final answer
   x = 905,226.25