Finding the Third Proportional to 58,846 and 128,060

Step by Step Solution

1. Step 1: Write the proportion equation
   58,846 : 128,060 = 128,060 : x
2. Step 2: Convert to fraction form
   58,846/128,060 = 128,060/x
3. Step 3: Cross multiply
   58,846x = 128,060 × 128,060
4. Step 4: Simplify right side
   58,846x = 16,399,363,600
5. Step 5: Solve for x
   x = 16,399,363,600/58,846
6. Step 6: Final answer
   x = 278,682.72