Finding the Third Proportional to 1,286,587.50 and 1,892,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,587.50 : 1,892,458.50 = 1,892,458.50 : x
2. Step 2: Convert to fraction form
   1,286,587.50/1,892,458.50 = 1,892,458.50/x
3. Step 3: Cross multiply
   1,286,587.50x = 1,892,458.50 × 1,892,458.50
4. Step 4: Simplify right side
   1,286,587.50x = 3,581,399,174,222.25
5. Step 5: Solve for x
   x = 3,581,399,174,222.25/1,286,587.50
6. Step 6: Final answer
   x = 2,783,642.13