Finding the Third Proportional to 70,497.50 and 152,611

Step by Step Solution

1. Step 1: Write the proportion equation
   70,497.50 : 152,611 = 152,611 : x
2. Step 2: Convert to fraction form
   70,497.50/152,611 = 152,611/x
3. Step 3: Cross multiply
   70,497.50x = 152,611 × 152,611
4. Step 4: Simplify right side
   70,497.50x = 23,290,117,321
5. Step 5: Solve for x
   x = 23,290,117,321/70,497.50
6. Step 6: Final answer
   x = 330,367.99