Finding the Third Proportional to 70,642 and 152,756

Step by Step Solution

1. Step 1: Write the proportion equation
   70,642 : 152,756 = 152,756 : x
2. Step 2: Convert to fraction form
   70,642/152,756 = 152,756/x
3. Step 3: Cross multiply
   70,642x = 152,756 × 152,756
4. Step 4: Simplify right side
   70,642x = 23,334,395,536
5. Step 5: Solve for x
   x = 23,334,395,536/70,642
6. Step 6: Final answer
   x = 330,319.01