Finding the Third Proportional to 151,759 and 218,598.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,759 : 218,598.50 = 218,598.50 : x
2. Step 2: Convert to fraction form
   151,759/218,598.50 = 218,598.50/x
3. Step 3: Cross multiply
   151,759x = 218,598.50 × 218,598.50
4. Step 4: Simplify right side
   151,759x = 47,785,304,202.25
5. Step 5: Solve for x
   x = 47,785,304,202.25/151,759
6. Step 6: Final answer
   x = 314,876.25