Finding the Third Proportional to 650,979 and 985,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   650,979 : 985,648.50 = 985,648.50 : x
2. Step 2: Convert to fraction form
   650,979/985,648.50 = 985,648.50/x
3. Step 3: Cross multiply
   650,979x = 985,648.50 × 985,648.50
4. Step 4: Simplify right side
   650,979x = 971,502,965,552.25
5. Step 5: Solve for x
   x = 971,502,965,552.25/650,979
6. Step 6: Final answer
   x = 1,492,372.20