Finding the Third Proportional to 436,842 and 659,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   436,842 : 659,272.50 = 659,272.50 : x
2. Step 2: Convert to fraction form
   436,842/659,272.50 = 659,272.50/x
3. Step 3: Cross multiply
   436,842x = 659,272.50 × 659,272.50
4. Step 4: Simplify right side
   436,842x = 434,640,229,256.25
5. Step 5: Solve for x
   x = 434,640,229,256.25/436,842
6. Step 6: Final answer
   x = 994,959.80