Finding the Third Proportional to 381,645 and 606,181.50

Step by Step Solution

1. Step 1: Write the proportion equation
   381,645 : 606,181.50 = 606,181.50 : x
2. Step 2: Convert to fraction form
   381,645/606,181.50 = 606,181.50/x
3. Step 3: Cross multiply
   381,645x = 606,181.50 × 606,181.50
4. Step 4: Simplify right side
   381,645x = 367,456,010,942.25
5. Step 5: Solve for x
   x = 367,456,010,942.25/381,645
6. Step 6: Final answer
   x = 962,821.50