Finding the Third Proportional to 32,300 and 69,272

Step by Step Solution

1. Step 1: Write the proportion equation
   32,300 : 69,272 = 69,272 : x
2. Step 2: Convert to fraction form
   32,300/69,272 = 69,272/x
3. Step 3: Cross multiply
   32,300x = 69,272 × 69,272
4. Step 4: Simplify right side
   32,300x = 4,798,609,984
5. Step 5: Solve for x
   x = 4,798,609,984/32,300
6. Step 6: Final answer
   x = 148,563.78