Finding the Third Proportional to 864,298 and 1,308,371

Step by Step Solution

1. Step 1: Write the proportion equation
   864,298 : 1,308,371 = 1,308,371 : x
2. Step 2: Convert to fraction form
   864,298/1,308,371 = 1,308,371/x
3. Step 3: Cross multiply
   864,298x = 1,308,371 × 1,308,371
4. Step 4: Simplify right side
   864,298x = 1,711,834,673,641
5. Step 5: Solve for x
   x = 1,711,834,673,641/864,298
6. Step 6: Final answer
   x = 1,980,607.01