Finding the Third Proportional to 19,637.67 and 42,388.08

Step by Step Solution

1. Step 1: Write the proportion equation
   19,637.67 : 42,388.08 = 42,388.08 : x
2. Step 2: Convert to fraction form
   19,637.67/42,388.08 = 42,388.08/x
3. Step 3: Cross multiply
   19,637.67x = 42,388.08 × 42,388.08
4. Step 4: Simplify right side
   19,637.67x = 1,796,748,918.76
5. Step 5: Solve for x
   x = 1,796,748,918.76/19,637.67
6. Step 6: Final answer
   x = 91,494.99