Finding the Third Proportional to 91,554 and 141,687

Step by Step Solution

1. Step 1: Write the proportion equation
   91,554 : 141,687 = 141,687 : x
2. Step 2: Convert to fraction form
   91,554/141,687 = 141,687/x
3. Step 3: Cross multiply
   91,554x = 141,687 × 141,687
4. Step 4: Simplify right side
   91,554x = 20,075,205,969
5. Step 5: Solve for x
   x = 20,075,205,969/91,554
6. Step 6: Final answer
   x = 219,271.75