Finding the Third Proportional to 1,030.22 and 1,403.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.22 : 1,403.58 = 1,403.58 : x
2. Step 2: Convert to fraction form
   1,030.22/1,403.58 = 1,403.58/x
3. Step 3: Cross multiply
   1,030.22x = 1,403.58 × 1,403.58
4. Step 4: Simplify right side
   1,030.22x = 1,970,031.55
5. Step 5: Solve for x
   x = 1,970,031.55/1,030.22
6. Step 6: Final answer
   x = 1,912.25