Finding the Third Proportional to 131,301 and 288,130.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,301 : 288,130.50 = 288,130.50 : x
2. Step 2: Convert to fraction form
   131,301/288,130.50 = 288,130.50/x
3. Step 3: Cross multiply
   131,301x = 288,130.50 × 288,130.50
4. Step 4: Simplify right side
   131,301x = 83,019,185,030.25
5. Step 5: Solve for x
   x = 83,019,185,030.25/131,301
6. Step 6: Final answer
   x = 632,281.44