Finding the Third Proportional to 246,405 and 529,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   246,405 : 529,618.50 = 529,618.50 : x
2. Step 2: Convert to fraction form
   246,405/529,618.50 = 529,618.50/x
3. Step 3: Cross multiply
   246,405x = 529,618.50 × 529,618.50
4. Step 4: Simplify right side
   246,405x = 280,495,755,542.25
5. Step 5: Solve for x
   x = 280,495,755,542.25/246,405
6. Step 6: Final answer
   x = 1,138,352.53