Finding the Third Proportional to 28,731.38 and 63,122.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28,731.38 : 63,122.63 = 63,122.63 : x
2. Step 2: Convert to fraction form
   28,731.38/63,122.63 = 63,122.63/x
3. Step 3: Cross multiply
   28,731.38x = 63,122.63 × 63,122.63
4. Step 4: Simplify right side
   28,731.38x = 3,984,465,786.89
5. Step 5: Solve for x
   x = 3,984,465,786.89/28,731.38
6. Step 6: Final answer
   x = 138,679.95