Finding the Third Proportional to 397,353 and 868,984.50

Step by Step Solution

1. Step 1: Write the proportion equation
   397,353 : 868,984.50 = 868,984.50 : x
2. Step 2: Convert to fraction form
   397,353/868,984.50 = 868,984.50/x
3. Step 3: Cross multiply
   397,353x = 868,984.50 × 868,984.50
4. Step 4: Simplify right side
   397,353x = 755,134,061,240.25
5. Step 5: Solve for x
   x = 755,134,061,240.25/397,353
6. Step 6: Final answer
   x = 1,900,411.12