Finding the Third Proportional to 112,919.63 and 174,940.31

Step by Step Solution

1. Step 1: Write the proportion equation
   112,919.63 : 174,940.31 = 174,940.31 : x
2. Step 2: Convert to fraction form
   112,919.63/174,940.31 = 174,940.31/x
3. Step 3: Cross multiply
   112,919.63x = 174,940.31 × 174,940.31
4. Step 4: Simplify right side
   112,919.63x = 30,604,112,937.60
5. Step 5: Solve for x
   x = 30,604,112,937.60/112,919.63
6. Step 6: Final answer
   x = 271,025.63