Finding the Third Proportional to 998,503.50 and 2,187,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   998,503.50 : 2,187,073.50 = 2,187,073.50 : x
2. Step 2: Convert to fraction form
   998,503.50/2,187,073.50 = 2,187,073.50/x
3. Step 3: Cross multiply
   998,503.50x = 2,187,073.50 × 2,187,073.50
4. Step 4: Simplify right side
   998,503.50x = 4,783,290,494,402.25
5. Step 5: Solve for x
   x = 4,783,290,494,402.25/998,503.50
6. Step 6: Final answer
   x = 4,790,459.42