Finding the Third Proportional to 56,710 and 132,460

Step by Step Solution

1. Step 1: Write the proportion equation
   56,710 : 132,460 = 132,460 : x
2. Step 2: Convert to fraction form
   56,710/132,460 = 132,460/x
3. Step 3: Cross multiply
   56,710x = 132,460 × 132,460
4. Step 4: Simplify right side
   56,710x = 17,545,651,600
5. Step 5: Solve for x
   x = 17,545,651,600/56,710
6. Step 6: Final answer
   x = 309,392.55