Finding the Third Proportional to 776,806.50 and 1,661,550

Step by Step Solution

1. Step 1: Write the proportion equation
   776,806.50 : 1,661,550 = 1,661,550 : x
2. Step 2: Convert to fraction form
   776,806.50/1,661,550 = 1,661,550/x
3. Step 3: Cross multiply
   776,806.50x = 1,661,550 × 1,661,550
4. Step 4: Simplify right side
   776,806.50x = 2,760,748,402,500
5. Step 5: Solve for x
   x = 2,760,748,402,500/776,806.50
6. Step 6: Final answer
   x = 3,553,971.81