Finding the Third Proportional to 72,170 and 113,363

Step by Step Solution

1. Step 1: Write the proportion equation
   72,170 : 113,363 = 113,363 : x
2. Step 2: Convert to fraction form
   72,170/113,363 = 113,363/x
3. Step 3: Cross multiply
   72,170x = 113,363 × 113,363
4. Step 4: Simplify right side
   72,170x = 12,851,169,769
5. Step 5: Solve for x
   x = 12,851,169,769/72,170
6. Step 6: Final answer
   x = 178,068.03