Finding the Third Proportional to 534,339 and 765,409.50

Step by Step Solution

1. Step 1: Write the proportion equation
   534,339 : 765,409.50 = 765,409.50 : x
2. Step 2: Convert to fraction form
   534,339/765,409.50 = 765,409.50/x
3. Step 3: Cross multiply
   534,339x = 765,409.50 × 765,409.50
4. Step 4: Simplify right side
   534,339x = 585,851,702,690.25
5. Step 5: Solve for x
   x = 585,851,702,690.25/534,339
6. Step 6: Final answer
   x = 1,096,404.53