Finding the Third Proportional to 672,588 and 1,407,492

Step by Step Solution

1. Step 1: Write the proportion equation
   672,588 : 1,407,492 = 1,407,492 : x
2. Step 2: Convert to fraction form
   672,588/1,407,492 = 1,407,492/x
3. Step 3: Cross multiply
   672,588x = 1,407,492 × 1,407,492
4. Step 4: Simplify right side
   672,588x = 1,981,033,730,064
5. Step 5: Solve for x
   x = 1,981,033,730,064/672,588
6. Step 6: Final answer
   x = 2,945,389.64