Finding the Third Proportional to 786,416 and 1,705,984

Step by Step Solution

1. Step 1: Write the proportion equation
   786,416 : 1,705,984 = 1,705,984 : x
2. Step 2: Convert to fraction form
   786,416/1,705,984 = 1,705,984/x
3. Step 3: Cross multiply
   786,416x = 1,705,984 × 1,705,984
4. Step 4: Simplify right side
   786,416x = 2,910,381,408,256
5. Step 5: Solve for x
   x = 2,910,381,408,256/786,416
6. Step 6: Final answer
   x = 3,700,816.63