Finding the Third Proportional to 70,099.50 and 152,031

Step by Step Solution

1. Step 1: Write the proportion equation
   70,099.50 : 152,031 = 152,031 : x
2. Step 2: Convert to fraction form
   70,099.50/152,031 = 152,031/x
3. Step 3: Cross multiply
   70,099.50x = 152,031 × 152,031
4. Step 4: Simplify right side
   70,099.50x = 23,113,424,961
5. Step 5: Solve for x
   x = 23,113,424,961/70,099.50
6. Step 6: Final answer
   x = 329,723.11