Finding the Third Proportional to 143,272.13 and 193,887

Step by Step Solution

1. Step 1: Write the proportion equation
   143,272.13 : 193,887 = 193,887 : x
2. Step 2: Convert to fraction form
   143,272.13/193,887 = 193,887/x
3. Step 3: Cross multiply
   143,272.13x = 193,887 × 193,887
4. Step 4: Simplify right side
   143,272.13x = 37,592,168,769
5. Step 5: Solve for x
   x = 37,592,168,769/143,272.13
6. Step 6: Final answer
   x = 262,382.99