Finding the Third Proportional to 2,137,792.50 and 3,209,503.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137,792.50 : 3,209,503.50 = 3,209,503.50 : x
2. Step 2: Convert to fraction form
   2,137,792.50/3,209,503.50 = 3,209,503.50/x
3. Step 3: Cross multiply
   2,137,792.50x = 3,209,503.50 × 3,209,503.50
4. Step 4: Simplify right side
   2,137,792.50x = 10,300,912,716,512.25
5. Step 5: Solve for x
   x = 10,300,912,716,512.25/2,137,792.50
6. Step 6: Final answer
   x = 4,818,481.08