Finding the Third Proportional to 528,838 and 794,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   528,838 : 794,419.50 = 794,419.50 : x
2. Step 2: Convert to fraction form
   528,838/794,419.50 = 794,419.50/x
3. Step 3: Cross multiply
   528,838x = 794,419.50 × 794,419.50
4. Step 4: Simplify right side
   528,838x = 631,102,341,980.25
5. Step 5: Solve for x
   x = 631,102,341,980.25/528,838
6. Step 6: Final answer
   x = 1,193,375.56