Finding the Third Proportional to 55,300.50 and 83,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,300.50 : 83,404.50 = 83,404.50 : x
2. Step 2: Convert to fraction form
   55,300.50/83,404.50 = 83,404.50/x
3. Step 3: Cross multiply
   55,300.50x = 83,404.50 × 83,404.50
4. Step 4: Simplify right side
   55,300.50x = 6,956,310,620.25
5. Step 5: Solve for x
   x = 6,956,310,620.25/55,300.50
6. Step 6: Final answer
   x = 125,791.10