Finding the Third Proportional to 59,364 and 140,139

Step by Step Solution

1. Step 1: Write the proportion equation
   59,364 : 140,139 = 140,139 : x
2. Step 2: Convert to fraction form
   59,364/140,139 = 140,139/x
3. Step 3: Cross multiply
   59,364x = 140,139 × 140,139
4. Step 4: Simplify right side
   59,364x = 19,638,939,321
5. Step 5: Solve for x
   x = 19,638,939,321/59,364
6. Step 6: Final answer
   x = 330,822.37