Finding the Third Proportional to 1,189,461.50 and 1,778,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,461.50 : 1,778,995.50 = 1,778,995.50 : x
2. Step 2: Convert to fraction form
   1,189,461.50/1,778,995.50 = 1,778,995.50/x
3. Step 3: Cross multiply
   1,189,461.50x = 1,778,995.50 × 1,778,995.50
4. Step 4: Simplify right side
   1,189,461.50x = 3,164,824,989,020.25
5. Step 5: Solve for x
   x = 3,164,824,989,020.25/1,189,461.50
6. Step 6: Final answer
   x = 2,660,720.83