Finding the Third Proportional to 55,838.25 and 87,402.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,838.25 : 87,402.38 = 87,402.38 : x
2. Step 2: Convert to fraction form
   55,838.25/87,402.38 = 87,402.38/x
3. Step 3: Cross multiply
   55,838.25x = 87,402.38 × 87,402.38
4. Step 4: Simplify right side
   55,838.25x = 7,639,175,155.64
5. Step 5: Solve for x
   x = 7,639,175,155.64/55,838.25
6. Step 6: Final answer
   x = 136,809.00