Finding the Third Proportional to 385,506 and 835,366.50

Step by Step Solution

1. Step 1: Write the proportion equation
   385,506 : 835,366.50 = 835,366.50 : x
2. Step 2: Convert to fraction form
   385,506/835,366.50 = 835,366.50/x
3. Step 3: Cross multiply
   385,506x = 835,366.50 × 835,366.50
4. Step 4: Simplify right side
   385,506x = 697,837,189,322.25
5. Step 5: Solve for x
   x = 697,837,189,322.25/385,506
6. Step 6: Final answer
   x = 1,810,185.03