Finding the Third Proportional to 193,386 and 290,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   193,386 : 290,173.50 = 290,173.50 : x
2. Step 2: Convert to fraction form
   193,386/290,173.50 = 290,173.50/x
3. Step 3: Cross multiply
   193,386x = 290,173.50 × 290,173.50
4. Step 4: Simplify right side
   193,386x = 84,200,660,102.25
5. Step 5: Solve for x
   x = 84,200,660,102.25/193,386
6. Step 6: Final answer
   x = 435,402.05