Finding the Third Proportional to 2,709,591 and 3,989,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709,591 : 3,989,530.50 = 3,989,530.50 : x
2. Step 2: Convert to fraction form
   2,709,591/3,989,530.50 = 3,989,530.50/x
3. Step 3: Cross multiply
   2,709,591x = 3,989,530.50 × 3,989,530.50
4. Step 4: Simplify right side
   2,709,591x = 15,916,353,610,430.25
5. Step 5: Solve for x
   x = 15,916,353,610,430.25/2,709,591
6. Step 6: Final answer
   x = 5,874,079.75