Finding the Third Proportional to 19,691.50 and 29,901.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,691.50 : 29,901.50 = 29,901.50 : x
2. Step 2: Convert to fraction form
   19,691.50/29,901.50 = 29,901.50/x
3. Step 3: Cross multiply
   19,691.50x = 29,901.50 × 29,901.50
4. Step 4: Simplify right side
   19,691.50x = 894,099,702.25
5. Step 5: Solve for x
   x = 894,099,702.25/19,691.50
6. Step 6: Final answer
   x = 45,405.36