Finding the Third Proportional to 13,012.31 and 28,380.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.31 : 28,380.38 = 28,380.38 : x
2. Step 2: Convert to fraction form
   13,012.31/28,380.38 = 28,380.38/x
3. Step 3: Cross multiply
   13,012.31x = 28,380.38 × 28,380.38
4. Step 4: Simplify right side
   13,012.31x = 805,445,685.14
5. Step 5: Solve for x
   x = 805,445,685.14/13,012.31
6. Step 6: Final answer
   x = 61,898.74