Finding the Third Proportional to 66,362.73 and 99,551.21

Step by Step Solution

1. Step 1: Write the proportion equation
   66,362.73 : 99,551.21 = 99,551.21 : x
2. Step 2: Convert to fraction form
   66,362.73/99,551.21 = 99,551.21/x
3. Step 3: Cross multiply
   66,362.73x = 99,551.21 × 99,551.21
4. Step 4: Simplify right side
   66,362.73x = 9,910,444,376.87
5. Step 5: Solve for x
   x = 9,910,444,376.87/66,362.73
6. Step 6: Final answer
   x = 149,337.50