Finding the Third Proportional to 176,139 and 251,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   176,139 : 251,806.50 = 251,806.50 : x
2. Step 2: Convert to fraction form
   176,139/251,806.50 = 251,806.50/x
3. Step 3: Cross multiply
   176,139x = 251,806.50 × 251,806.50
4. Step 4: Simplify right side
   176,139x = 63,406,513,442.25
5. Step 5: Solve for x
   x = 63,406,513,442.25/176,139
6. Step 6: Final answer
   x = 359,979.98