Finding the Third Proportional to 152,410 and 330,244

Step by Step Solution

1. Step 1: Write the proportion equation
   152,410 : 330,244 = 330,244 : x
2. Step 2: Convert to fraction form
   152,410/330,244 = 330,244/x
3. Step 3: Cross multiply
   152,410x = 330,244 × 330,244
4. Step 4: Simplify right side
   152,410x = 109,061,099,536
5. Step 5: Solve for x
   x = 109,061,099,536/152,410
6. Step 6: Final answer
   x = 715,577.06