Finding the Third Proportional to 68,897.25 and 147,636

Step by Step Solution

1. Step 1: Write the proportion equation
   68,897.25 : 147,636 = 147,636 : x
2. Step 2: Convert to fraction form
   68,897.25/147,636 = 147,636/x
3. Step 3: Cross multiply
   68,897.25x = 147,636 × 147,636
4. Step 4: Simplify right side
   68,897.25x = 21,796,388,496
5. Step 5: Solve for x
   x = 21,796,388,496/68,897.25
6. Step 6: Final answer
   x = 316,360.79