Finding the Third Proportional to 55,428 and 133,633.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,428 : 133,633.50 = 133,633.50 : x
2. Step 2: Convert to fraction form
   55,428/133,633.50 = 133,633.50/x
3. Step 3: Cross multiply
   55,428x = 133,633.50 × 133,633.50
4. Step 4: Simplify right side
   55,428x = 17,857,912,322.25
5. Step 5: Solve for x
   x = 17,857,912,322.25/55,428
6. Step 6: Final answer
   x = 322,182.15