Finding the Third Proportional to 400,189,025.25 and 867,171,035.25

Step by Step Solution

1. Step 1: Write the proportion equation
   400,189,025.25 : 867,171,035.25 = 867,171,035.25 : x
2. Step 2: Convert to fraction form
   400,189,025.25/867,171,035.25 = 867,171,035.25/x
3. Step 3: Cross multiply
   400,189,025.25x = 867,171,035.25 × 867,171,035.25
4. Step 4: Simplify right side
   400,189,025.25x = 751,985,604,376,556,800
5. Step 5: Solve for x
   x = 751,985,604,376,556,800/400,189,025.25
6. Step 6: Final answer
   x = 1,879,076,028.90