Finding the Third Proportional to 2,556,783 and 5,681,101.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,783 : 5,681,101.50 = 5,681,101.50 : x
2. Step 2: Convert to fraction form
   2,556,783/5,681,101.50 = 5,681,101.50/x
3. Step 3: Cross multiply
   2,556,783x = 5,681,101.50 × 5,681,101.50
4. Step 4: Simplify right side
   2,556,783x = 32,274,914,253,302.25
5. Step 5: Solve for x
   x = 32,274,914,253,302.25/2,556,783
6. Step 6: Final answer
   x = 12,623,251.27