Finding the Third Proportional to 1,905,128 and 2,947,276

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905,128 : 2,947,276 = 2,947,276 : x
2. Step 2: Convert to fraction form
   1,905,128/2,947,276 = 2,947,276/x
3. Step 3: Cross multiply
   1,905,128x = 2,947,276 × 2,947,276
4. Step 4: Simplify right side
   1,905,128x = 8,686,435,820,176
5. Step 5: Solve for x
   x = 8,686,435,820,176/1,905,128
6. Step 6: Final answer
   x = 4,559,502.47