Finding the Third Proportional to 2,687,776 and 5,803,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,776 : 5,803,452.50 = 5,803,452.50 : x
2. Step 2: Convert to fraction form
   2,687,776/5,803,452.50 = 5,803,452.50/x
3. Step 3: Cross multiply
   2,687,776x = 5,803,452.50 × 5,803,452.50
4. Step 4: Simplify right side
   2,687,776x = 33,680,060,919,756.25
5. Step 5: Solve for x
   x = 33,680,060,919,756.25/2,687,776
6. Step 6: Final answer
   x = 12,530,828.80