Finding the Third Proportional to 130,156.50 and 196,621

Step by Step Solution

1. Step 1: Write the proportion equation
   130,156.50 : 196,621 = 196,621 : x
2. Step 2: Convert to fraction form
   130,156.50/196,621 = 196,621/x
3. Step 3: Cross multiply
   130,156.50x = 196,621 × 196,621
4. Step 4: Simplify right side
   130,156.50x = 38,659,817,641
5. Step 5: Solve for x
   x = 38,659,817,641/130,156.50
6. Step 6: Final answer
   x = 297,025.64