Finding the Third Proportional to 436,851 and 659,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   436,851 : 659,287.50 = 659,287.50 : x
2. Step 2: Convert to fraction form
   436,851/659,287.50 = 659,287.50/x
3. Step 3: Cross multiply
   436,851x = 659,287.50 × 659,287.50
4. Step 4: Simplify right side
   436,851x = 434,660,007,656.25
5. Step 5: Solve for x
   x = 434,660,007,656.25/436,851
6. Step 6: Final answer
   x = 994,984.58