Finding the Third Proportional to 55,385 and 83,654

Step by Step Solution

1. Step 1: Write the proportion equation
   55,385 : 83,654 = 83,654 : x
2. Step 2: Convert to fraction form
   55,385/83,654 = 83,654/x
3. Step 3: Cross multiply
   55,385x = 83,654 × 83,654
4. Step 4: Simplify right side
   55,385x = 6,997,991,716
5. Step 5: Solve for x
   x = 6,997,991,716/55,385
6. Step 6: Final answer
   x = 126,351.75