Finding the Third Proportional to 359,910 and 772,186.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,910 : 772,186.50 = 772,186.50 : x
2. Step 2: Convert to fraction form
   359,910/772,186.50 = 772,186.50/x
3. Step 3: Cross multiply
   359,910x = 772,186.50 × 772,186.50
4. Step 4: Simplify right side
   359,910x = 596,271,990,782.25
5. Step 5: Solve for x
   x = 596,271,990,782.25/359,910
6. Step 6: Final answer
   x = 1,656,725.27