Finding the Third Proportional to 710,109 and 998,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   710,109 : 998,815.50 = 998,815.50 : x
2. Step 2: Convert to fraction form
   710,109/998,815.50 = 998,815.50/x
3. Step 3: Cross multiply
   710,109x = 998,815.50 × 998,815.50
4. Step 4: Simplify right side
   710,109x = 997,632,403,040.25
5. Step 5: Solve for x
   x = 997,632,403,040.25/710,109
6. Step 6: Final answer
   x = 1,404,900.38