Finding the Third Proportional to 262,884 and 393,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,884 : 393,877.50 = 393,877.50 : x
2. Step 2: Convert to fraction form
   262,884/393,877.50 = 393,877.50/x
3. Step 3: Cross multiply
   262,884x = 393,877.50 × 393,877.50
4. Step 4: Simplify right side
   262,884x = 155,139,485,006.25
5. Step 5: Solve for x
   x = 155,139,485,006.25/262,884
6. Step 6: Final answer
   x = 590,144.27