Finding the Third Proportional to 916,258 and 1,857,140

Step by Step Solution

1. Step 1: Write the proportion equation
   916,258 : 1,857,140 = 1,857,140 : x
2. Step 2: Convert to fraction form
   916,258/1,857,140 = 1,857,140/x
3. Step 3: Cross multiply
   916,258x = 1,857,140 × 1,857,140
4. Step 4: Simplify right side
   916,258x = 3,448,968,979,600
5. Step 5: Solve for x
   x = 3,448,968,979,600/916,258
6. Step 6: Final answer
   x = 3,764,189.76