Finding the Third Proportional to 209,233.50 and 429,483

Step by Step Solution

1. Step 1: Write the proportion equation
   209,233.50 : 429,483 = 429,483 : x
2. Step 2: Convert to fraction form
   209,233.50/429,483 = 429,483/x
3. Step 3: Cross multiply
   209,233.50x = 429,483 × 429,483
4. Step 4: Simplify right side
   209,233.50x = 184,455,647,289
5. Step 5: Solve for x
   x = 184,455,647,289/209,233.50
6. Step 6: Final answer
   x = 881,577.98