Finding the Third Proportional to 53,448 and 84,628.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,448 : 84,628.50 = 84,628.50 : x
2. Step 2: Convert to fraction form
   53,448/84,628.50 = 84,628.50/x
3. Step 3: Cross multiply
   53,448x = 84,628.50 × 84,628.50
4. Step 4: Simplify right side
   53,448x = 7,161,983,012.25
5. Step 5: Solve for x
   x = 7,161,983,012.25/53,448
6. Step 6: Final answer
   x = 133,999.08