Finding the Third Proportional to 53,388 and 83,748

Step by Step Solution

1. Step 1: Write the proportion equation
   53,388 : 83,748 = 83,748 : x
2. Step 2: Convert to fraction form
   53,388/83,748 = 83,748/x
3. Step 3: Cross multiply
   53,388x = 83,748 × 83,748
4. Step 4: Simplify right side
   53,388x = 7,013,727,504
5. Step 5: Solve for x
   x = 7,013,727,504/53,388
6. Step 6: Final answer
   x = 131,372.73