Finding the Third Proportional to 84,300.75 and 176,392.69

Step by Step Solution

1. Step 1: Write the proportion equation
   84,300.75 : 176,392.69 = 176,392.69 : x
2. Step 2: Convert to fraction form
   84,300.75/176,392.69 = 176,392.69/x
3. Step 3: Cross multiply
   84,300.75x = 176,392.69 × 176,392.69
4. Step 4: Simplify right side
   84,300.75x = 31,114,380,203.47
5. Step 5: Solve for x
   x = 31,114,380,203.47/84,300.75
6. Step 6: Final answer
   x = 369,087.82