Finding the Third Proportional to 2,163,312 and 3,133,431

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,312 : 3,133,431 = 3,133,431 : x
2. Step 2: Convert to fraction form
   2,163,312/3,133,431 = 3,133,431/x
3. Step 3: Cross multiply
   2,163,312x = 3,133,431 × 3,133,431
4. Step 4: Simplify right side
   2,163,312x = 9,818,389,831,761
5. Step 5: Solve for x
   x = 9,818,389,831,761/2,163,312
6. Step 6: Final answer
   x = 4,538,591.67