Finding the Third Proportional to 91,343.25 and 136,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,343.25 : 136,642.50 = 136,642.50 : x
2. Step 2: Convert to fraction form
   91,343.25/136,642.50 = 136,642.50/x
3. Step 3: Cross multiply
   91,343.25x = 136,642.50 × 136,642.50
4. Step 4: Simplify right side
   91,343.25x = 18,671,172,806.25
5. Step 5: Solve for x
   x = 18,671,172,806.25/91,343.25
6. Step 6: Final answer
   x = 204,406.71