Finding the Third Proportional to 21,677.63 and 34,657.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,677.63 : 34,657.88 = 34,657.88 : x
2. Step 2: Convert to fraction form
   21,677.63/34,657.88 = 34,657.88/x
3. Step 3: Cross multiply
   21,677.63x = 34,657.88 × 34,657.88
4. Step 4: Simplify right side
   21,677.63x = 1,201,168,299.52
5. Step 5: Solve for x
   x = 1,201,168,299.52/21,677.63
6. Step 6: Final answer
   x = 55,410.51