Finding the Third Proportional to 1,030.13 and 1,250.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.13 : 1,250.63 = 1,250.63 : x
2. Step 2: Convert to fraction form
   1,030.13/1,250.63 = 1,250.63/x
3. Step 3: Cross multiply
   1,030.13x = 1,250.63 × 1,250.63
4. Step 4: Simplify right side
   1,030.13x = 1,564,062.89
5. Step 5: Solve for x
   x = 1,564,062.89/1,030.13
6. Step 6: Final answer
   x = 1,518.32