Finding the Third Proportional to 13,156.31 and 19,677.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,156.31 : 19,677.94 = 19,677.94 : x
2. Step 2: Convert to fraction form
   13,156.31/19,677.94 = 19,677.94/x
3. Step 3: Cross multiply
   13,156.31x = 19,677.94 × 19,677.94
4. Step 4: Simplify right side
   13,156.31x = 387,221,224.25
5. Step 5: Solve for x
   x = 387,221,224.25/13,156.31
6. Step 6: Final answer
   x = 29,432.35