Finding the Third Proportional to 140,909.63 and 248,346

Step by Step Solution

1. Step 1: Write the proportion equation
   140,909.63 : 248,346 = 248,346 : x
2. Step 2: Convert to fraction form
   140,909.63/248,346 = 248,346/x
3. Step 3: Cross multiply
   140,909.63x = 248,346 × 248,346
4. Step 4: Simplify right side
   140,909.63x = 61,675,735,716
5. Step 5: Solve for x
   x = 61,675,735,716/140,909.63
6. Step 6: Final answer
   x = 437,697.11