Finding the Third Proportional to 692,392 and 1,439,820

Step by Step Solution

1. Step 1: Write the proportion equation
   692,392 : 1,439,820 = 1,439,820 : x
2. Step 2: Convert to fraction form
   692,392/1,439,820 = 1,439,820/x
3. Step 3: Cross multiply
   692,392x = 1,439,820 × 1,439,820
4. Step 4: Simplify right side
   692,392x = 2,073,081,632,400
5. Step 5: Solve for x
   x = 2,073,081,632,400/692,392
6. Step 6: Final answer
   x = 2,994,086.63