Finding the Third Proportional to 106,810.50 and 143,781

Step by Step Solution

1. Step 1: Write the proportion equation
   106,810.50 : 143,781 = 143,781 : x
2. Step 2: Convert to fraction form
   106,810.50/143,781 = 143,781/x
3. Step 3: Cross multiply
   106,810.50x = 143,781 × 143,781
4. Step 4: Simplify right side
   106,810.50x = 20,672,975,961
5. Step 5: Solve for x
   x = 20,672,975,961/106,810.50
6. Step 6: Final answer
   x = 193,548.16