Finding the Third Proportional to 131,820 and 204,283.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,820 : 204,283.50 = 204,283.50 : x
2. Step 2: Convert to fraction form
   131,820/204,283.50 = 204,283.50/x
3. Step 3: Cross multiply
   131,820x = 204,283.50 × 204,283.50
4. Step 4: Simplify right side
   131,820x = 41,731,748,372.25
5. Step 5: Solve for x
   x = 41,731,748,372.25/131,820
6. Step 6: Final answer
   x = 316,581.31