Finding the Third Proportional to 89,725.50 and 130,412.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,725.50 : 130,412.25 = 130,412.25 : x
2. Step 2: Convert to fraction form
   89,725.50/130,412.25 = 130,412.25/x
3. Step 3: Cross multiply
   89,725.50x = 130,412.25 × 130,412.25
4. Step 4: Simplify right side
   89,725.50x = 17,007,354,950.06
5. Step 5: Solve for x
   x = 17,007,354,950.06/89,725.50
6. Step 6: Final answer
   x = 189,548.73