Finding the Third Proportional to 630,830 and 945,308

Step by Step Solution

1. Step 1: Write the proportion equation
   630,830 : 945,308 = 945,308 : x
2. Step 2: Convert to fraction form
   630,830/945,308 = 945,308/x
3. Step 3: Cross multiply
   630,830x = 945,308 × 945,308
4. Step 4: Simplify right side
   630,830x = 893,607,214,864
5. Step 5: Solve for x
   x = 893,607,214,864/630,830
6. Step 6: Final answer
   x = 1,416,557.89