Finding the Third Proportional to 762,979.50 and 1,179,540

Step by Step Solution

1. Step 1: Write the proportion equation
   762,979.50 : 1,179,540 = 1,179,540 : x
2. Step 2: Convert to fraction form
   762,979.50/1,179,540 = 1,179,540/x
3. Step 3: Cross multiply
   762,979.50x = 1,179,540 × 1,179,540
4. Step 4: Simplify right side
   762,979.50x = 1,391,314,611,600
5. Step 5: Solve for x
   x = 1,391,314,611,600/762,979.50
6. Step 6: Final answer
   x = 1,823,528.17