Finding the Third Proportional to 199,813.50 and 418,095

Step by Step Solution

1. Step 1: Write the proportion equation
   199,813.50 : 418,095 = 418,095 : x
2. Step 2: Convert to fraction form
   199,813.50/418,095 = 418,095/x
3. Step 3: Cross multiply
   199,813.50x = 418,095 × 418,095
4. Step 4: Simplify right side
   199,813.50x = 174,803,429,025
5. Step 5: Solve for x
   x = 174,803,429,025/199,813.50
6. Step 6: Final answer
   x = 874,832.93