Finding the Third Proportional to 905,724 and 1,919,340

Step by Step Solution

1. Step 1: Write the proportion equation
   905,724 : 1,919,340 = 1,919,340 : x
2. Step 2: Convert to fraction form
   905,724/1,919,340 = 1,919,340/x
3. Step 3: Cross multiply
   905,724x = 1,919,340 × 1,919,340
4. Step 4: Simplify right side
   905,724x = 3,683,866,035,600
5. Step 5: Solve for x
   x = 3,683,866,035,600/905,724
6. Step 6: Final answer
   x = 4,067,316.35