Finding the Third Proportional to 1,478,786 and 2,113,131

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,786 : 2,113,131 = 2,113,131 : x
2. Step 2: Convert to fraction form
   1,478,786/2,113,131 = 2,113,131/x
3. Step 3: Cross multiply
   1,478,786x = 2,113,131 × 2,113,131
4. Step 4: Simplify right side
   1,478,786x = 4,465,322,623,161
5. Step 5: Solve for x
   x = 4,465,322,623,161/1,478,786
6. Step 6: Final answer
   x = 3,019,586.76