Finding the Third Proportional to 67,521 and 147,193.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,521 : 147,193.50 = 147,193.50 : x
2. Step 2: Convert to fraction form
   67,521/147,193.50 = 147,193.50/x
3. Step 3: Cross multiply
   67,521x = 147,193.50 × 147,193.50
4. Step 4: Simplify right side
   67,521x = 21,665,926,442.25
5. Step 5: Solve for x
   x = 21,665,926,442.25/67,521
6. Step 6: Final answer
   x = 320,876.86