Finding the Third Proportional to 298,315 and 433,384.50

Step by Step Solution

1. Step 1: Write the proportion equation
   298,315 : 433,384.50 = 433,384.50 : x
2. Step 2: Convert to fraction form
   298,315/433,384.50 = 433,384.50/x
3. Step 3: Cross multiply
   298,315x = 433,384.50 × 433,384.50
4. Step 4: Simplify right side
   298,315x = 187,822,124,840.25
5. Step 5: Solve for x
   x = 187,822,124,840.25/298,315
6. Step 6: Final answer
   x = 629,610.06