Finding the Third Proportional to 53,929.69 and 84,603.94

Step by Step Solution

1. Step 1: Write the proportion equation
   53,929.69 : 84,603.94 = 84,603.94 : x
2. Step 2: Convert to fraction form
   53,929.69/84,603.94 = 84,603.94/x
3. Step 3: Cross multiply
   53,929.69x = 84,603.94 × 84,603.94
4. Step 4: Simplify right side
   53,929.69x = 7,157,826,240.50
5. Step 5: Solve for x
   x = 7,157,826,240.50/53,929.69
6. Step 6: Final answer
   x = 132,725.16