Finding the Third Proportional to 2,106,534 and 3,178,440

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,534 : 3,178,440 = 3,178,440 : x
2. Step 2: Convert to fraction form
   2,106,534/3,178,440 = 3,178,440/x
3. Step 3: Cross multiply
   2,106,534x = 3,178,440 × 3,178,440
4. Step 4: Simplify right side
   2,106,534x = 10,102,480,833,600
5. Step 5: Solve for x
   x = 10,102,480,833,600/2,106,534
6. Step 6: Final answer
   x = 4,795,783.42