Finding the Third Proportional to 658,836 and 963,121.50

Step by Step Solution

1. Step 1: Write the proportion equation
   658,836 : 963,121.50 = 963,121.50 : x
2. Step 2: Convert to fraction form
   658,836/963,121.50 = 963,121.50/x
3. Step 3: Cross multiply
   658,836x = 963,121.50 × 963,121.50
4. Step 4: Simplify right side
   658,836x = 927,603,023,762.25
5. Step 5: Solve for x
   x = 927,603,023,762.25/658,836
6. Step 6: Final answer
   x = 1,407,942.23