Finding the Third Proportional to 61,575 and 132,870

Step by Step Solution

1. Step 1: Write the proportion equation
   61,575 : 132,870 = 132,870 : x
2. Step 2: Convert to fraction form
   61,575/132,870 = 132,870/x
3. Step 3: Cross multiply
   61,575x = 132,870 × 132,870
4. Step 4: Simplify right side
   61,575x = 17,654,436,900
5. Step 5: Solve for x
   x = 17,654,436,900/61,575
6. Step 6: Final answer
   x = 286,714.36