Finding the Third Proportional to 429,134.50 and 630,564

Step by Step Solution

1. Step 1: Write the proportion equation
   429,134.50 : 630,564 = 630,564 : x
2. Step 2: Convert to fraction form
   429,134.50/630,564 = 630,564/x
3. Step 3: Cross multiply
   429,134.50x = 630,564 × 630,564
4. Step 4: Simplify right side
   429,134.50x = 397,610,958,096
5. Step 5: Solve for x
   x = 397,610,958,096/429,134.50
6. Step 6: Final answer
   x = 926,541.58