Finding the Third Proportional to 17,915.25 and 38,898.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,915.25 : 38,898.75 = 38,898.75 : x
2. Step 2: Convert to fraction form
   17,915.25/38,898.75 = 38,898.75/x
3. Step 3: Cross multiply
   17,915.25x = 38,898.75 × 38,898.75
4. Step 4: Simplify right side
   17,915.25x = 1,513,112,751.56
5. Step 5: Solve for x
   x = 1,513,112,751.56/17,915.25
6. Step 6: Final answer
   x = 84,459.48