Finding the Third Proportional to 71,430 and 113,010

Step by Step Solution

1. Step 1: Write the proportion equation
   71,430 : 113,010 = 113,010 : x
2. Step 2: Convert to fraction form
   71,430/113,010 = 113,010/x
3. Step 3: Cross multiply
   71,430x = 113,010 × 113,010
4. Step 4: Simplify right side
   71,430x = 12,771,260,100
5. Step 5: Solve for x
   x = 12,771,260,100/71,430
6. Step 6: Final answer
   x = 178,794.07