Finding the Third Proportional to 2,106,659.81 and 3,182,128.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,659.81 : 3,182,128.88 = 3,182,128.88 : x
2. Step 2: Convert to fraction form
   2,106,659.81/3,182,128.88 = 3,182,128.88/x
3. Step 3: Cross multiply
   2,106,659.81x = 3,182,128.88 × 3,182,128.88
4. Step 4: Simplify right side
   2,106,659.81x = 10,125,944,177,108.77
5. Step 5: Solve for x
   x = 10,125,944,177,108.77/2,106,659.81
6. Step 6: Final answer
   x = 4,806,634.71