Finding the Third Proportional to 90,141 and 130,563.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,141 : 130,563.50 = 130,563.50 : x
2. Step 2: Convert to fraction form
   90,141/130,563.50 = 130,563.50/x
3. Step 3: Cross multiply
   90,141x = 130,563.50 × 130,563.50
4. Step 4: Simplify right side
   90,141x = 17,046,827,532.25
5. Step 5: Solve for x
   x = 17,046,827,532.25/90,141
6. Step 6: Final answer
   x = 189,112.92