Finding the Third Proportional to 1,287,194.91 and 2,773,732.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,194.91 : 2,773,732.50 = 2,773,732.50 : x
2. Step 2: Convert to fraction form
   1,287,194.91/2,773,732.50 = 2,773,732.50/x
3. Step 3: Cross multiply
   1,287,194.91x = 2,773,732.50 × 2,773,732.50
4. Step 4: Simplify right side
   1,287,194.91x = 7,693,591,981,556.25
5. Step 5: Solve for x
   x = 7,693,591,981,556.25/1,287,194.91
6. Step 6: Final answer
   x = 5,977,021.77