Finding the Third Proportional to 159,003 and 215,176.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,003 : 215,176.50 = 215,176.50 : x
2. Step 2: Convert to fraction form
   159,003/215,176.50 = 215,176.50/x
3. Step 3: Cross multiply
   159,003x = 215,176.50 × 215,176.50
4. Step 4: Simplify right side
   159,003x = 46,300,926,152.25
5. Step 5: Solve for x
   x = 46,300,926,152.25/159,003
6. Step 6: Final answer
   x = 291,195.30