Finding the Third Proportional to 589,117.50 and 900,810

Step by Step Solution

1. Step 1: Write the proportion equation
   589,117.50 : 900,810 = 900,810 : x
2. Step 2: Convert to fraction form
   589,117.50/900,810 = 900,810/x
3. Step 3: Cross multiply
   589,117.50x = 900,810 × 900,810
4. Step 4: Simplify right side
   589,117.50x = 811,458,656,100
5. Step 5: Solve for x
   x = 811,458,656,100/589,117.50
6. Step 6: Final answer
   x = 1,377,413.94