Finding the Third Proportional to 152,994 and 331,402

Step by Step Solution

1. Step 1: Write the proportion equation
   152,994 : 331,402 = 331,402 : x
2. Step 2: Convert to fraction form
   152,994/331,402 = 331,402/x
3. Step 3: Cross multiply
   152,994x = 331,402 × 331,402
4. Step 4: Simplify right side
   152,994x = 109,827,285,604
5. Step 5: Solve for x
   x = 109,827,285,604/152,994
6. Step 6: Final answer
   x = 717,853.55