Finding the Third Proportional to 393,282 and 601,384.50

Step by Step Solution

1. Step 1: Write the proportion equation
   393,282 : 601,384.50 = 601,384.50 : x
2. Step 2: Convert to fraction form
   393,282/601,384.50 = 601,384.50/x
3. Step 3: Cross multiply
   393,282x = 601,384.50 × 601,384.50
4. Step 4: Simplify right side
   393,282x = 361,663,316,840.25
5. Step 5: Solve for x
   x = 361,663,316,840.25/393,282
6. Step 6: Final answer
   x = 919,603.02