Finding the Third Proportional to 290,436 and 467,898

Step by Step Solution

1. Step 1: Write the proportion equation
   290,436 : 467,898 = 467,898 : x
2. Step 2: Convert to fraction form
   290,436/467,898 = 467,898/x
3. Step 3: Cross multiply
   290,436x = 467,898 × 467,898
4. Step 4: Simplify right side
   290,436x = 218,928,538,404
5. Step 5: Solve for x
   x = 218,928,538,404/290,436
6. Step 6: Final answer
   x = 753,792.71