Finding the Third Proportional to 98,692 and 217,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,692 : 217,065.50 = 217,065.50 : x
2. Step 2: Convert to fraction form
   98,692/217,065.50 = 217,065.50/x
3. Step 3: Cross multiply
   98,692x = 217,065.50 × 217,065.50
4. Step 4: Simplify right side
   98,692x = 47,117,431,290.25
5. Step 5: Solve for x
   x = 47,117,431,290.25/98,692
6. Step 6: Final answer
   x = 477,418.95