Finding the Third Proportional to 70,372 and 143,610

Step by Step Solution

1. Step 1: Write the proportion equation
   70,372 : 143,610 = 143,610 : x
2. Step 2: Convert to fraction form
   70,372/143,610 = 143,610/x
3. Step 3: Cross multiply
   70,372x = 143,610 × 143,610
4. Step 4: Simplify right side
   70,372x = 20,623,832,100
5. Step 5: Solve for x
   x = 20,623,832,100/70,372
6. Step 6: Final answer
   x = 293,068.72