Finding the Third Proportional to 14,630.63 and 31,915.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,630.63 : 31,915.69 = 31,915.69 : x
2. Step 2: Convert to fraction form
   14,630.63/31,915.69 = 31,915.69/x
3. Step 3: Cross multiply
   14,630.63x = 31,915.69 × 31,915.69
4. Step 4: Simplify right side
   14,630.63x = 1,018,611,108.60
5. Step 5: Solve for x
   x = 1,018,611,108.60/14,630.63
6. Step 6: Final answer
   x = 69,621.85