Finding the Third Proportional to 112,703.50 and 174,421

Step by Step Solution

1. Step 1: Write the proportion equation
   112,703.50 : 174,421 = 174,421 : x
2. Step 2: Convert to fraction form
   112,703.50/174,421 = 174,421/x
3. Step 3: Cross multiply
   112,703.50x = 174,421 × 174,421
4. Step 4: Simplify right side
   112,703.50x = 30,422,685,241
5. Step 5: Solve for x
   x = 30,422,685,241/112,703.50
6. Step 6: Final answer
   x = 269,935.59