Finding the Third Proportional to 151,300 and 212,043

Step by Step Solution

1. Step 1: Write the proportion equation
   151,300 : 212,043 = 212,043 : x
2. Step 2: Convert to fraction form
   151,300/212,043 = 212,043/x
3. Step 3: Cross multiply
   151,300x = 212,043 × 212,043
4. Step 4: Simplify right side
   151,300x = 44,962,233,849
5. Step 5: Solve for x
   x = 44,962,233,849/151,300
6. Step 6: Final answer
   x = 297,172.73