Finding the Third Proportional to 17,897.63 and 38,870.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,897.63 : 38,870.63 = 38,870.63 : x
2. Step 2: Convert to fraction form
   17,897.63/38,870.63 = 38,870.63/x
3. Step 3: Cross multiply
   17,897.63x = 38,870.63 × 38,870.63
4. Step 4: Simplify right side
   17,897.63x = 1,510,925,487.89
5. Step 5: Solve for x
   x = 1,510,925,487.89/17,897.63
6. Step 6: Final answer
   x = 84,420.45