Finding the Third Proportional to 176,272.50 and 384,120

Step by Step Solution

1. Step 1: Write the proportion equation
   176,272.50 : 384,120 = 384,120 : x
2. Step 2: Convert to fraction form
   176,272.50/384,120 = 384,120/x
3. Step 3: Cross multiply
   176,272.50x = 384,120 × 384,120
4. Step 4: Simplify right side
   176,272.50x = 147,548,174,400
5. Step 5: Solve for x
   x = 147,548,174,400/176,272.50
6. Step 6: Final answer
   x = 837,045.91