Finding the Third Proportional to 19,875.22 and 42,499.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,875.22 : 42,499.13 = 42,499.13 : x
2. Step 2: Convert to fraction form
   19,875.22/42,499.13 = 42,499.13/x
3. Step 3: Cross multiply
   19,875.22x = 42,499.13 × 42,499.13
4. Step 4: Simplify right side
   19,875.22x = 1,806,176,372.82
5. Step 5: Solve for x
   x = 1,806,176,372.82/19,875.22
6. Step 6: Final answer
   x = 90,875.81