Finding the Third Proportional to 772,308 and 1,660,845

Step by Step Solution

1. Step 1: Write the proportion equation
   772,308 : 1,660,845 = 1,660,845 : x
2. Step 2: Convert to fraction form
   772,308/1,660,845 = 1,660,845/x
3. Step 3: Cross multiply
   772,308x = 1,660,845 × 1,660,845
4. Step 4: Simplify right side
   772,308x = 2,758,406,114,025
5. Step 5: Solve for x
   x = 2,758,406,114,025/772,308
6. Step 6: Final answer
   x = 3,571,639.96