Finding the Third Proportional to 69,423 and 103,836

Step by Step Solution

1. Step 1: Write the proportion equation
   69,423 : 103,836 = 103,836 : x
2. Step 2: Convert to fraction form
   69,423/103,836 = 103,836/x
3. Step 3: Cross multiply
   69,423x = 103,836 × 103,836
4. Step 4: Simplify right side
   69,423x = 10,781,914,896
5. Step 5: Solve for x
   x = 10,781,914,896/69,423
6. Step 6: Final answer
   x = 155,307.53