Finding the Third Proportional to 324,788,644 and 766,443,058

Step by Step Solution

1. Step 1: Write the proportion equation
   324,788,644 : 766,443,058 = 766,443,058 : x
2. Step 2: Convert to fraction form
   324,788,644/766,443,058 = 766,443,058/x
3. Step 3: Cross multiply
   324,788,644x = 766,443,058 × 766,443,058
4. Step 4: Simplify right side
   324,788,644x = 587,434,961,156,391,424
5. Step 5: Solve for x
   x = 587,434,961,156,391,424/324,788,644
6. Step 6: Final answer
   x = 1,808,668,412.55