Finding the Third Proportional to 834,020 and 1,380,432

Step by Step Solution

1. Step 1: Write the proportion equation
   834,020 : 1,380,432 = 1,380,432 : x
2. Step 2: Convert to fraction form
   834,020/1,380,432 = 1,380,432/x
3. Step 3: Cross multiply
   834,020x = 1,380,432 × 1,380,432
4. Step 4: Simplify right side
   834,020x = 1,905,592,506,624
5. Step 5: Solve for x
   x = 1,905,592,506,624/834,020
6. Step 6: Final answer
   x = 2,284,828.31