Finding the Third Proportional to 806,611 and 1,755,467.50

Step by Step Solution

1. Step 1: Write the proportion equation
   806,611 : 1,755,467.50 = 1,755,467.50 : x
2. Step 2: Convert to fraction form
   806,611/1,755,467.50 = 1,755,467.50/x
3. Step 3: Cross multiply
   806,611x = 1,755,467.50 × 1,755,467.50
4. Step 4: Simplify right side
   806,611x = 3,081,666,143,556.25
5. Step 5: Solve for x
   x = 3,081,666,143,556.25/806,611
6. Step 6: Final answer
   x = 3,820,510.93