Finding the Third Proportional to 406,959 and 598,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   406,959 : 598,672.50 = 598,672.50 : x
2. Step 2: Convert to fraction form
   406,959/598,672.50 = 598,672.50/x
3. Step 3: Cross multiply
   406,959x = 598,672.50 × 598,672.50
4. Step 4: Simplify right side
   406,959x = 358,408,762,256.25
5. Step 5: Solve for x
   x = 358,408,762,256.25/406,959
6. Step 6: Final answer
   x = 880,699.93