Finding the Third Proportional to 672,592 and 1,407,500

Step by Step Solution

1. Step 1: Write the proportion equation
   672,592 : 1,407,500 = 1,407,500 : x
2. Step 2: Convert to fraction form
   672,592/1,407,500 = 1,407,500/x
3. Step 3: Cross multiply
   672,592x = 1,407,500 × 1,407,500
4. Step 4: Simplify right side
   672,592x = 1,981,056,250,000
5. Step 5: Solve for x
   x = 1,981,056,250,000/672,592
6. Step 6: Final answer
   x = 2,945,405.61