Finding the Third Proportional to 19,088 and 28,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,088 : 28,543.50 = 28,543.50 : x
2. Step 2: Convert to fraction form
   19,088/28,543.50 = 28,543.50/x
3. Step 3: Cross multiply
   19,088x = 28,543.50 × 28,543.50
4. Step 4: Simplify right side
   19,088x = 814,731,392.25
5. Step 5: Solve for x
   x = 814,731,392.25/19,088
6. Step 6: Final answer
   x = 42,682.91