Finding the Third Proportional to 19,699.50 and 45,557.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,699.50 : 45,557.25 = 45,557.25 : x
2. Step 2: Convert to fraction form
   19,699.50/45,557.25 = 45,557.25/x
3. Step 3: Cross multiply
   19,699.50x = 45,557.25 × 45,557.25
4. Step 4: Simplify right side
   19,699.50x = 2,075,463,027.56
5. Step 5: Solve for x
   x = 2,075,463,027.56/19,699.50
6. Step 6: Final answer
   x = 105,356.13