Finding the Third Proportional to 156,470 and 337,884

Step by Step Solution

1. Step 1: Write the proportion equation
   156,470 : 337,884 = 337,884 : x
2. Step 2: Convert to fraction form
   156,470/337,884 = 337,884/x
3. Step 3: Cross multiply
   156,470x = 337,884 × 337,884
4. Step 4: Simplify right side
   156,470x = 114,165,597,456
5. Step 5: Solve for x
   x = 114,165,597,456/156,470
6. Step 6: Final answer
   x = 729,632.50