Finding the Third Proportional to 83,143 and 126,790.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,143 : 126,790.25 = 126,790.25 : x
2. Step 2: Convert to fraction form
   83,143/126,790.25 = 126,790.25/x
3. Step 3: Cross multiply
   83,143x = 126,790.25 × 126,790.25
4. Step 4: Simplify right side
   83,143x = 16,075,767,495.06
5. Step 5: Solve for x
   x = 16,075,767,495.06/83,143
6. Step 6: Final answer
   x = 193,350.82