Finding the Third Proportional to 70,402 and 143,250

Step by Step Solution

1. Step 1: Write the proportion equation
   70,402 : 143,250 = 143,250 : x
2. Step 2: Convert to fraction form
   70,402/143,250 = 143,250/x
3. Step 3: Cross multiply
   70,402x = 143,250 × 143,250
4. Step 4: Simplify right side
   70,402x = 20,520,562,500
5. Step 5: Solve for x
   x = 20,520,562,500/70,402
6. Step 6: Final answer
   x = 291,476.98