Finding the Third Proportional to 385,560 and 835,465.50

Step by Step Solution

1. Step 1: Write the proportion equation
   385,560 : 835,465.50 = 835,465.50 : x
2. Step 2: Convert to fraction form
   385,560/835,465.50 = 835,465.50/x
3. Step 3: Cross multiply
   385,560x = 835,465.50 × 835,465.50
4. Step 4: Simplify right side
   385,560x = 698,002,601,690.25
5. Step 5: Solve for x
   x = 698,002,601,690.25/385,560
6. Step 6: Final answer
   x = 1,810,360.52