Finding the Third Proportional to 384,671.25 and 840,146.63

Step by Step Solution

1. Step 1: Write the proportion equation
   384,671.25 : 840,146.63 = 840,146.63 : x
2. Step 2: Convert to fraction form
   384,671.25/840,146.63 = 840,146.63/x
3. Step 3: Cross multiply
   384,671.25x = 840,146.63 × 840,146.63
4. Step 4: Simplify right side
   384,671.25x = 705,846,351,498.89
5. Step 5: Solve for x
   x = 705,846,351,498.89/384,671.25
6. Step 6: Final answer
   x = 1,834,933.99