Finding the Third Proportional to 868,462.50 and 1,905,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   868,462.50 : 1,905,155.50 = 1,905,155.50 : x
2. Step 2: Convert to fraction form
   868,462.50/1,905,155.50 = 1,905,155.50/x
3. Step 3: Cross multiply
   868,462.50x = 1,905,155.50 × 1,905,155.50
4. Step 4: Simplify right side
   868,462.50x = 3,629,617,479,180.25
5. Step 5: Solve for x
   x = 3,629,617,479,180.25/868,462.50
6. Step 6: Final answer
   x = 4,179,360.05