Finding the Third Proportional to 692,388 and 1,439,813

Step by Step Solution

1. Step 1: Write the proportion equation
   692,388 : 1,439,813 = 1,439,813 : x
2. Step 2: Convert to fraction form
   692,388/1,439,813 = 1,439,813/x
3. Step 3: Cross multiply
   692,388x = 1,439,813 × 1,439,813
4. Step 4: Simplify right side
   692,388x = 2,073,061,474,969
5. Step 5: Solve for x
   x = 2,073,061,474,969/692,388
6. Step 6: Final answer
   x = 2,994,074.82