Finding the Third Proportional to 2,556,898.88 and 5,681,354.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,898.88 : 5,681,354.63 = 5,681,354.63 : x
2. Step 2: Convert to fraction form
   2,556,898.88/5,681,354.63 = 5,681,354.63/x
3. Step 3: Cross multiply
   2,556,898.88x = 5,681,354.63 × 5,681,354.63
4. Step 4: Simplify right side
   2,556,898.88x = 32,277,790,375,008.89
5. Step 5: Solve for x
   x = 32,277,790,375,008.89/2,556,898.88
6. Step 6: Final answer
   x = 12,623,804.05