Finding the Third Proportional to 67,528 and 147,210

Step by Step Solution

1. Step 1: Write the proportion equation
   67,528 : 147,210 = 147,210 : x
2. Step 2: Convert to fraction form
   67,528/147,210 = 147,210/x
3. Step 3: Cross multiply
   67,528x = 147,210 × 147,210
4. Step 4: Simplify right side
   67,528x = 21,670,784,100
5. Step 5: Solve for x
   x = 21,670,784,100/67,528
6. Step 6: Final answer
   x = 320,915.53