Finding the Third Proportional to 681,873 and 1,435,633.50

Step by Step Solution

1. Step 1: Write the proportion equation
   681,873 : 1,435,633.50 = 1,435,633.50 : x
2. Step 2: Convert to fraction form
   681,873/1,435,633.50 = 1,435,633.50/x
3. Step 3: Cross multiply
   681,873x = 1,435,633.50 × 1,435,633.50
4. Step 4: Simplify right side
   681,873x = 2,061,043,546,322.25
5. Step 5: Solve for x
   x = 2,061,043,546,322.25/681,873
6. Step 6: Final answer
   x = 3,022,620.85