Finding the Third Proportional to 429,336 and 630,874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   429,336 : 630,874.50 = 630,874.50 : x
2. Step 2: Convert to fraction form
   429,336/630,874.50 = 630,874.50/x
3. Step 3: Cross multiply
   429,336x = 630,874.50 × 630,874.50
4. Step 4: Simplify right side
   429,336x = 398,002,634,750.25
5. Step 5: Solve for x
   x = 398,002,634,750.25/429,336
6. Step 6: Final answer
   x = 927,019.01