Finding the Third Proportional to 82,090 and 124,790.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,090 : 124,790.25 = 124,790.25 : x
2. Step 2: Convert to fraction form
   82,090/124,790.25 = 124,790.25/x
3. Step 3: Cross multiply
   82,090x = 124,790.25 × 124,790.25
4. Step 4: Simplify right side
   82,090x = 15,572,606,495.06
5. Step 5: Solve for x
   x = 15,572,606,495.06/82,090
6. Step 6: Final answer
   x = 189,701.63