Finding the Third Proportional to 43,085.13 and 91,138.13

Step by Step Solution

1. Step 1: Write the proportion equation
   43,085.13 : 91,138.13 = 91,138.13 : x
2. Step 2: Convert to fraction form
   43,085.13/91,138.13 = 91,138.13/x
3. Step 3: Cross multiply
   43,085.13x = 91,138.13 × 91,138.13
4. Step 4: Simplify right side
   43,085.13x = 8,306,157,828.52
5. Step 5: Solve for x
   x = 8,306,157,828.52/43,085.13
6. Step 6: Final answer
   x = 192,784.81