Finding the Third Proportional to 30,348 and 65,060

Step by Step Solution

1. Step 1: Write the proportion equation
   30,348 : 65,060 = 65,060 : x
2. Step 2: Convert to fraction form
   30,348/65,060 = 65,060/x
3. Step 3: Cross multiply
   30,348x = 65,060 × 65,060
4. Step 4: Simplify right side
   30,348x = 4,232,803,600
5. Step 5: Solve for x
   x = 4,232,803,600/30,348
6. Step 6: Final answer
   x = 139,475.54