Finding the Third Proportional to 224,638.31 and 488,642.63

Step by Step Solution

1. Step 1: Write the proportion equation
   224,638.31 : 488,642.63 = 488,642.63 : x
2. Step 2: Convert to fraction form
   224,638.31/488,642.63 = 488,642.63/x
3. Step 3: Cross multiply
   224,638.31x = 488,642.63 × 488,642.63
4. Step 4: Simplify right side
   224,638.31x = 238,771,614,966.89
5. Step 5: Solve for x
   x = 238,771,614,966.89/224,638.31
6. Step 6: Final answer
   x = 1,062,915.81