Finding the Third Proportional to 815,241 and 1,755,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   815,241 : 1,755,139.50 = 1,755,139.50 : x
2. Step 2: Convert to fraction form
   815,241/1,755,139.50 = 1,755,139.50/x
3. Step 3: Cross multiply
   815,241x = 1,755,139.50 × 1,755,139.50
4. Step 4: Simplify right side
   815,241x = 3,080,514,664,460.25
5. Step 5: Solve for x
   x = 3,080,514,664,460.25/815,241
6. Step 6: Final answer
   x = 3,778,655.23