Finding the Third Proportional to 1,275.57 and 1,970.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,275.57 : 1,970.22 = 1,970.22 : x
2. Step 2: Convert to fraction form
   1,275.57/1,970.22 = 1,970.22/x
3. Step 3: Cross multiply
   1,275.57x = 1,970.22 × 1,970.22
4. Step 4: Simplify right side
   1,275.57x = 3,881,775.39
5. Step 5: Solve for x
   x = 3,881,775.39/1,275.57
6. Step 6: Final answer
   x = 3,043.16