Finding the Third Proportional to 184,821 and 402,811.50

Step by Step Solution

1. Step 1: Write the proportion equation
   184,821 : 402,811.50 = 402,811.50 : x
2. Step 2: Convert to fraction form
   184,821/402,811.50 = 402,811.50/x
3. Step 3: Cross multiply
   184,821x = 402,811.50 × 402,811.50
4. Step 4: Simplify right side
   184,821x = 162,257,104,532.25
5. Step 5: Solve for x
   x = 162,257,104,532.25/184,821
6. Step 6: Final answer
   x = 877,914.87