Finding the Third Proportional to 789,777.75 and 1,155,045.38

Step by Step Solution

1. Step 1: Write the proportion equation
   789,777.75 : 1,155,045.38 = 1,155,045.38 : x
2. Step 2: Convert to fraction form
   789,777.75/1,155,045.38 = 1,155,045.38/x
3. Step 3: Cross multiply
   789,777.75x = 1,155,045.38 × 1,155,045.38
4. Step 4: Simplify right side
   789,777.75x = 1,334,129,818,308.89
5. Step 5: Solve for x
   x = 1,334,129,818,308.89/789,777.75
6. Step 6: Final answer
   x = 1,689,247.16