Finding the Third Proportional to 1,256.77 and 1,931.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256.77 : 1,931.34 = 1,931.34 : x
2. Step 2: Convert to fraction form
   1,256.77/1,931.34 = 1,931.34/x
3. Step 3: Cross multiply
   1,256.77x = 1,931.34 × 1,931.34
4. Step 4: Simplify right side
   1,256.77x = 3,730,088.68
5. Step 5: Solve for x
   x = 3,730,088.68/1,256.77
6. Step 6: Final answer
   x = 2,968.01