Finding the Third Proportional to 774,165 and 1,172,920.50

Step by Step Solution

1. Step 1: Write the proportion equation
   774,165 : 1,172,920.50 = 1,172,920.50 : x
2. Step 2: Convert to fraction form
   774,165/1,172,920.50 = 1,172,920.50/x
3. Step 3: Cross multiply
   774,165x = 1,172,920.50 × 1,172,920.50
4. Step 4: Simplify right side
   774,165x = 1,375,742,499,320.25
5. Step 5: Solve for x
   x = 1,375,742,499,320.25/774,165
6. Step 6: Final answer
   x = 1,777,066.26