Finding the Third Proportional to 1,499.77 and 2,142.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.77 : 2,142.07 = 2,142.07 : x
2. Step 2: Convert to fraction form
   1,499.77/2,142.07 = 2,142.07/x
3. Step 3: Cross multiply
   1,499.77x = 2,142.07 × 2,142.07
4. Step 4: Simplify right side
   1,499.77x = 4,588,465.22
5. Step 5: Solve for x
   x = 4,588,465.22/1,499.77
6. Step 6: Final answer
   x = 3,059.45