Finding the Third Proportional to 123,113 and 201,012

Step by Step Solution

1. Step 1: Write the proportion equation
   123,113 : 201,012 = 201,012 : x
2. Step 2: Convert to fraction form
   123,113/201,012 = 201,012/x
3. Step 3: Cross multiply
   123,113x = 201,012 × 201,012
4. Step 4: Simplify right side
   123,113x = 40,405,824,144
5. Step 5: Solve for x
   x = 40,405,824,144/123,113
6. Step 6: Final answer
   x = 328,201.12