Finding the Third Proportional to 1,901,680 and 4,176,560

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901,680 : 4,176,560 = 4,176,560 : x
2. Step 2: Convert to fraction form
   1,901,680/4,176,560 = 4,176,560/x
3. Step 3: Cross multiply
   1,901,680x = 4,176,560 × 4,176,560
4. Step 4: Simplify right side
   1,901,680x = 17,443,653,433,600
5. Step 5: Solve for x
   x = 17,443,653,433,600/1,901,680
6. Step 6: Final answer
   x = 9,172,759.58