Finding the Third Proportional to 53,658.39 and 84,947.01

Step by Step Solution

1. Step 1: Write the proportion equation
   53,658.39 : 84,947.01 = 84,947.01 : x
2. Step 2: Convert to fraction form
   53,658.39/84,947.01 = 84,947.01/x
3. Step 3: Cross multiply
   53,658.39x = 84,947.01 × 84,947.01
4. Step 4: Simplify right side
   53,658.39x = 7,215,994,468.12
5. Step 5: Solve for x
   x = 7,215,994,468.12/53,658.39
6. Step 6: Final answer
   x = 134,480.27