Finding the Third Proportional to 112,978.13 and 174,934.69

Step by Step Solution

1. Step 1: Write the proportion equation
   112,978.13 : 174,934.69 = 174,934.69 : x
2. Step 2: Convert to fraction form
   112,978.13/174,934.69 = 174,934.69/x
3. Step 3: Cross multiply
   112,978.13x = 174,934.69 × 174,934.69
4. Step 4: Simplify right side
   112,978.13x = 30,602,144,890.72
5. Step 5: Solve for x
   x = 30,602,144,890.72/112,978.13
6. Step 6: Final answer
   x = 270,867.88