Finding the Third Proportional to 1,258,375.50 and 1,968,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258,375.50 : 1,968,540 = 1,968,540 : x
2. Step 2: Convert to fraction form
   1,258,375.50/1,968,540 = 1,968,540/x
3. Step 3: Cross multiply
   1,258,375.50x = 1,968,540 × 1,968,540
4. Step 4: Simplify right side
   1,258,375.50x = 3,875,149,731,600
5. Step 5: Solve for x
   x = 3,875,149,731,600/1,258,375.50
6. Step 6: Final answer
   x = 3,079,486.00