Finding the Third Proportional to 2,166,288 and 3,028,447.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,288 : 3,028,447.50 = 3,028,447.50 : x
2. Step 2: Convert to fraction form
   2,166,288/3,028,447.50 = 3,028,447.50/x
3. Step 3: Cross multiply
   2,166,288x = 3,028,447.50 × 3,028,447.50
4. Step 4: Simplify right side
   2,166,288x = 9,171,494,260,256.25
5. Step 5: Solve for x
   x = 9,171,494,260,256.25/2,166,288
6. Step 6: Final answer
   x = 4,233,737.28