Finding the Third Proportional to 69,468 and 151,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,468 : 151,780.50 = 151,780.50 : x
2. Step 2: Convert to fraction form
   69,468/151,780.50 = 151,780.50/x
3. Step 3: Cross multiply
   69,468x = 151,780.50 × 151,780.50
4. Step 4: Simplify right side
   69,468x = 23,037,320,180.25
5. Step 5: Solve for x
   x = 23,037,320,180.25/69,468
6. Step 6: Final answer
   x = 331,624.92