Finding the Third Proportional to 306,466.50 and 429,072

Step by Step Solution

1. Step 1: Write the proportion equation
   306,466.50 : 429,072 = 429,072 : x
2. Step 2: Convert to fraction form
   306,466.50/429,072 = 429,072/x
3. Step 3: Cross multiply
   306,466.50x = 429,072 × 429,072
4. Step 4: Simplify right side
   306,466.50x = 184,102,781,184
5. Step 5: Solve for x
   x = 184,102,781,184/306,466.50
6. Step 6: Final answer
   x = 600,727.26