Finding the Third Proportional to 2,543,654.50 and 5,390,573

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543,654.50 : 5,390,573 = 5,390,573 : x
2. Step 2: Convert to fraction form
   2,543,654.50/5,390,573 = 5,390,573/x
3. Step 3: Cross multiply
   2,543,654.50x = 5,390,573 × 5,390,573
4. Step 4: Simplify right side
   2,543,654.50x = 29,058,277,268,329
5. Step 5: Solve for x
   x = 29,058,277,268,329/2,543,654.50
6. Step 6: Final answer
   x = 11,423,830.27