Finding the Third Proportional to 890,920 and 1,919,700

Step by Step Solution

1. Step 1: Write the proportion equation
   890,920 : 1,919,700 = 1,919,700 : x
2. Step 2: Convert to fraction form
   890,920/1,919,700 = 1,919,700/x
3. Step 3: Cross multiply
   890,920x = 1,919,700 × 1,919,700
4. Step 4: Simplify right side
   890,920x = 3,685,248,090,000
5. Step 5: Solve for x
   x = 3,685,248,090,000/890,920
6. Step 6: Final answer
   x = 4,136,452.31