Finding the Third Proportional to 890,070 and 1,379,084

Step by Step Solution

1. Step 1: Write the proportion equation
   890,070 : 1,379,084 = 1,379,084 : x
2. Step 2: Convert to fraction form
   890,070/1,379,084 = 1,379,084/x
3. Step 3: Cross multiply
   890,070x = 1,379,084 × 1,379,084
4. Step 4: Simplify right side
   890,070x = 1,901,872,679,056
5. Step 5: Solve for x
   x = 1,901,872,679,056/890,070
6. Step 6: Final answer
   x = 2,136,767.53