Finding the Third Proportional to 223,254 and 488,423.25

Step by Step Solution

1. Step 1: Write the proportion equation
   223,254 : 488,423.25 = 488,423.25 : x
2. Step 2: Convert to fraction form
   223,254/488,423.25 = 488,423.25/x
3. Step 3: Cross multiply
   223,254x = 488,423.25 × 488,423.25
4. Step 4: Simplify right side
   223,254x = 238,557,271,140.56
5. Step 5: Solve for x
   x = 238,557,271,140.56/223,254
6. Step 6: Final answer
   x = 1,068,546.46