Finding the Third Proportional to 140,347.69 and 223,096.78

Step by Step Solution

1. Step 1: Write the proportion equation
   140,347.69 : 223,096.78 = 223,096.78 : x
2. Step 2: Convert to fraction form
   140,347.69/223,096.78 = 223,096.78/x
3. Step 3: Cross multiply
   140,347.69x = 223,096.78 × 223,096.78
4. Step 4: Simplify right side
   140,347.69x = 49,772,173,804.11
5. Step 5: Solve for x
   x = 49,772,173,804.11/140,347.69
6. Step 6: Final answer
   x = 354,634.80