Finding the Third Proportional to 142,227 and 306,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,227 : 306,868.50 = 306,868.50 : x
2. Step 2: Convert to fraction form
   142,227/306,868.50 = 306,868.50/x
3. Step 3: Cross multiply
   142,227x = 306,868.50 × 306,868.50
4. Step 4: Simplify right side
   142,227x = 94,168,276,292.25
5. Step 5: Solve for x
   x = 94,168,276,292.25/142,227
6. Step 6: Final answer
   x = 662,098.45