Finding the Third Proportional to 19,991.25 and 29,876.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,991.25 : 29,876.88 = 29,876.88 : x
2. Step 2: Convert to fraction form
   19,991.25/29,876.88 = 29,876.88/x
3. Step 3: Cross multiply
   19,991.25x = 29,876.88 × 29,876.88
4. Step 4: Simplify right side
   19,991.25x = 892,627,659.77
5. Step 5: Solve for x
   x = 892,627,659.77/19,991.25
6. Step 6: Final answer
   x = 44,650.92