Finding the Third Proportional to 2,155,364 and 3,138,276

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,364 : 3,138,276 = 3,138,276 : x
2. Step 2: Convert to fraction form
   2,155,364/3,138,276 = 3,138,276/x
3. Step 3: Cross multiply
   2,155,364x = 3,138,276 × 3,138,276
4. Step 4: Simplify right side
   2,155,364x = 9,848,776,252,176
5. Step 5: Solve for x
   x = 9,848,776,252,176/2,155,364
6. Step 6: Final answer
   x = 4,569,425.98