Finding the Third Proportional to 807,739,290 and 1,768,706,383.78

Step by Step Solution

1. Step 1: Write the proportion equation
   807,739,290 : 1,768,706,383.78 = 1,768,706,383.78 : x
2. Step 2: Convert to fraction form
   807,739,290/1,768,706,383.78 = 1,768,706,383.78/x
3. Step 3: Cross multiply
   807,739,290x = 1,768,706,383.78 × 1,768,706,383.78
4. Step 4: Simplify right side
   807,739,290x = 3,128,322,272,028,369,408
5. Step 5: Solve for x
   x = 3,128,322,272,028,369,408/807,739,290
6. Step 6: Final answer
   x = 3,872,935,625.09