Finding the Third Proportional to 1,390,232 and 2,149,190

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,232 : 2,149,190 = 2,149,190 : x
2. Step 2: Convert to fraction form
   1,390,232/2,149,190 = 2,149,190/x
3. Step 3: Cross multiply
   1,390,232x = 2,149,190 × 2,149,190
4. Step 4: Simplify right side
   1,390,232x = 4,619,017,656,100
5. Step 5: Solve for x
   x = 4,619,017,656,100/1,390,232
6. Step 6: Final answer
   x = 3,322,479.74