Finding the Third Proportional to 790,818 and 1,225,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   790,818 : 1,225,552.50 = 1,225,552.50 : x
2. Step 2: Convert to fraction form
   790,818/1,225,552.50 = 1,225,552.50/x
3. Step 3: Cross multiply
   790,818x = 1,225,552.50 × 1,225,552.50
4. Step 4: Simplify right side
   790,818x = 1,501,978,930,256.25
5. Step 5: Solve for x
   x = 1,501,978,930,256.25/790,818
6. Step 6: Final answer
   x = 1,899,272.56