Finding the Third Proportional to 148,421 and 330,061

Step by Step Solution

1. Step 1: Write the proportion equation
   148,421 : 330,061 = 330,061 : x
2. Step 2: Convert to fraction form
   148,421/330,061 = 330,061/x
3. Step 3: Cross multiply
   148,421x = 330,061 × 330,061
4. Step 4: Simplify right side
   148,421x = 108,940,263,721
5. Step 5: Solve for x
   x = 108,940,263,721/148,421
6. Step 6: Final answer
   x = 733,994.94