Finding the Third Proportional to 55,298.63 and 83,400.75

Step by Step Solution

1. Step 1: Write the proportion equation
   55,298.63 : 83,400.75 = 83,400.75 : x
2. Step 2: Convert to fraction form
   55,298.63/83,400.75 = 83,400.75/x
3. Step 3: Cross multiply
   55,298.63x = 83,400.75 × 83,400.75
4. Step 4: Simplify right side
   55,298.63x = 6,955,685,100.56
5. Step 5: Solve for x
   x = 6,955,685,100.56/55,298.63
6. Step 6: Final answer
   x = 125,784.05