Finding the Third Proportional to 672,679 and 983,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   672,679 : 983,118.50 = 983,118.50 : x
2. Step 2: Convert to fraction form
   672,679/983,118.50 = 983,118.50/x
3. Step 3: Cross multiply
   672,679x = 983,118.50 × 983,118.50
4. Step 4: Simplify right side
   672,679x = 966,521,985,042.25
5. Step 5: Solve for x
   x = 966,521,985,042.25/672,679
6. Step 6: Final answer
   x = 1,436,824.97