Finding the Third Proportional to 920,361 and 1,971,870

Step by Step Solution

1. Step 1: Write the proportion equation
   920,361 : 1,971,870 = 1,971,870 : x
2. Step 2: Convert to fraction form
   920,361/1,971,870 = 1,971,870/x
3. Step 3: Cross multiply
   920,361x = 1,971,870 × 1,971,870
4. Step 4: Simplify right side
   920,361x = 3,888,271,296,900
5. Step 5: Solve for x
   x = 3,888,271,296,900/920,361
6. Step 6: Final answer
   x = 4,224,724.10