Finding the Third Proportional to 140,560 and 223,354

Step by Step Solution

1. Step 1: Write the proportion equation
   140,560 : 223,354 = 223,354 : x
2. Step 2: Convert to fraction form
   140,560/223,354 = 223,354/x
3. Step 3: Cross multiply
   140,560x = 223,354 × 223,354
4. Step 4: Simplify right side
   140,560x = 49,887,009,316
5. Step 5: Solve for x
   x = 49,887,009,316/140,560
6. Step 6: Final answer
   x = 354,916.12