Finding the Third Proportional to 699,538 and 1,851,410

Step by Step Solution

1. Step 1: Write the proportion equation
   699,538 : 1,851,410 = 1,851,410 : x
2. Step 2: Convert to fraction form
   699,538/1,851,410 = 1,851,410/x
3. Step 3: Cross multiply
   699,538x = 1,851,410 × 1,851,410
4. Step 4: Simplify right side
   699,538x = 3,427,718,988,100
5. Step 5: Solve for x
   x = 3,427,718,988,100/699,538
6. Step 6: Final answer
   x = 4,899,975.40