Finding the Third Proportional to 70,947 and 155,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,947 : 155,215.50 = 155,215.50 : x
2. Step 2: Convert to fraction form
   70,947/155,215.50 = 155,215.50/x
3. Step 3: Cross multiply
   70,947x = 155,215.50 × 155,215.50
4. Step 4: Simplify right side
   70,947x = 24,091,851,440.25
5. Step 5: Solve for x
   x = 24,091,851,440.25/70,947
6. Step 6: Final answer
   x = 339,575.34