Finding the Third Proportional to 19,490.63 and 42,259.22

Step by Step Solution

1. Step 1: Write the proportion equation
   19,490.63 : 42,259.22 = 42,259.22 : x
2. Step 2: Convert to fraction form
   19,490.63/42,259.22 = 42,259.22/x
3. Step 3: Cross multiply
   19,490.63x = 42,259.22 × 42,259.22
4. Step 4: Simplify right side
   19,490.63x = 1,785,841,569.36
5. Step 5: Solve for x
   x = 1,785,841,569.36/19,490.63
6. Step 6: Final answer
   x = 91,625.67