Finding the Third Proportional to 324,788,812 and 766,443,468

Step by Step Solution

1. Step 1: Write the proportion equation
   324,788,812 : 766,443,468 = 766,443,468 : x
2. Step 2: Convert to fraction form
   324,788,812/766,443,468 = 766,443,468/x
3. Step 3: Cross multiply
   324,788,812x = 766,443,468 × 766,443,468
4. Step 4: Simplify right side
   324,788,812x = 587,435,589,639,867,008
5. Step 5: Solve for x
   x = 587,435,589,639,867,008/324,788,812
6. Step 6: Final answer
   x = 1,808,669,412.05