Finding the Third Proportional to 324,464 and 698,826.50

Step by Step Solution

1. Step 1: Write the proportion equation
   324,464 : 698,826.50 = 698,826.50 : x
2. Step 2: Convert to fraction form
   324,464/698,826.50 = 698,826.50/x
3. Step 3: Cross multiply
   324,464x = 698,826.50 × 698,826.50
4. Step 4: Simplify right side
   324,464x = 488,358,477,102.25
5. Step 5: Solve for x
   x = 488,358,477,102.25/324,464
6. Step 6: Final answer
   x = 1,505,123.76