Finding the Third Proportional to 83,672 and 130,456

Step by Step Solution

1. Step 1: Write the proportion equation
   83,672 : 130,456 = 130,456 : x
2. Step 2: Convert to fraction form
   83,672/130,456 = 130,456/x
3. Step 3: Cross multiply
   83,672x = 130,456 × 130,456
4. Step 4: Simplify right side
   83,672x = 17,018,767,936
5. Step 5: Solve for x
   x = 17,018,767,936/83,672
6. Step 6: Final answer
   x = 203,398.60