Finding the Third Proportional to 815,953.50 and 1,786,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   815,953.50 : 1,786,090.50 = 1,786,090.50 : x
2. Step 2: Convert to fraction form
   815,953.50/1,786,090.50 = 1,786,090.50/x
3. Step 3: Cross multiply
   815,953.50x = 1,786,090.50 × 1,786,090.50
4. Step 4: Simplify right side
   815,953.50x = 3,190,119,274,190.25
5. Step 5: Solve for x
   x = 3,190,119,274,190.25/815,953.50
6. Step 6: Final answer
   x = 3,909,682.69