Finding the Third Proportional to 199,680.50 and 429,808

Step by Step Solution

1. Step 1: Write the proportion equation
   199,680.50 : 429,808 = 429,808 : x
2. Step 2: Convert to fraction form
   199,680.50/429,808 = 429,808/x
3. Step 3: Cross multiply
   199,680.50x = 429,808 × 429,808
4. Step 4: Simplify right side
   199,680.50x = 184,734,916,864
5. Step 5: Solve for x
   x = 184,734,916,864/199,680.50
6. Step 6: Final answer
   x = 925,152.52