Finding the Third Proportional to 152,406 and 369,815

Step by Step Solution

1. Step 1: Write the proportion equation
   152,406 : 369,815 = 369,815 : x
2. Step 2: Convert to fraction form
   152,406/369,815 = 369,815/x
3. Step 3: Cross multiply
   152,406x = 369,815 × 369,815
4. Step 4: Simplify right side
   152,406x = 136,763,134,225
5. Step 5: Solve for x
   x = 136,763,134,225/152,406
6. Step 6: Final answer
   x = 897,360.56