Finding the Third Proportional to 149,466 and 222,069.75

Step by Step Solution

1. Step 1: Write the proportion equation
   149,466 : 222,069.75 = 222,069.75 : x
2. Step 2: Convert to fraction form
   149,466/222,069.75 = 222,069.75/x
3. Step 3: Cross multiply
   149,466x = 222,069.75 × 222,069.75
4. Step 4: Simplify right side
   149,466x = 49,314,973,865.06
5. Step 5: Solve for x
   x = 49,314,973,865.06/149,466
6. Step 6: Final answer
   x = 329,941.08