Finding the Third Proportional to 384,308 and 613,942

Step by Step Solution

1. Step 1: Write the proportion equation
   384,308 : 613,942 = 613,942 : x
2. Step 2: Convert to fraction form
   384,308/613,942 = 613,942/x
3. Step 3: Cross multiply
   384,308x = 613,942 × 613,942
4. Step 4: Simplify right side
   384,308x = 376,924,779,364
5. Step 5: Solve for x
   x = 376,924,779,364/384,308
6. Step 6: Final answer
   x = 980,788.27