Finding the Third Proportional to 104,296 and 138,300

Step by Step Solution

1. Step 1: Write the proportion equation
   104,296 : 138,300 = 138,300 : x
2. Step 2: Convert to fraction form
   104,296/138,300 = 138,300/x
3. Step 3: Cross multiply
   104,296x = 138,300 × 138,300
4. Step 4: Simplify right side
   104,296x = 19,126,890,000
5. Step 5: Solve for x
   x = 19,126,890,000/104,296
6. Step 6: Final answer
   x = 183,390.45