Finding the Third Proportional to 19,886.63 and 42,508.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,886.63 : 42,508.13 = 42,508.13 : x
2. Step 2: Convert to fraction form
   19,886.63/42,508.13 = 42,508.13/x
3. Step 3: Cross multiply
   19,886.63x = 42,508.13 × 42,508.13
4. Step 4: Simplify right side
   19,886.63x = 1,806,940,691.02
5. Step 5: Solve for x
   x = 1,806,940,691.02/19,886.63
6. Step 6: Final answer
   x = 90,862.11