Finding the Third Proportional to 139,026 and 303,535.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,026 : 303,535.50 = 303,535.50 : x
2. Step 2: Convert to fraction form
   139,026/303,535.50 = 303,535.50/x
3. Step 3: Cross multiply
   139,026x = 303,535.50 × 303,535.50
4. Step 4: Simplify right side
   139,026x = 92,133,799,760.25
5. Step 5: Solve for x
   x = 92,133,799,760.25/139,026
6. Step 6: Final answer
   x = 662,709.13