Finding the Third Proportional to 308,676,386 and 662,111,986

Step by Step Solution

1. Step 1: Write the proportion equation
   308,676,386 : 662,111,986 = 662,111,986 : x
2. Step 2: Convert to fraction form
   308,676,386/662,111,986 = 662,111,986/x
3. Step 3: Cross multiply
   308,676,386x = 662,111,986 × 662,111,986
4. Step 4: Simplify right side
   308,676,386x = 438,392,282,004,864,192
5. Step 5: Solve for x
   x = 438,392,282,004,864,192/308,676,386
6. Step 6: Final answer
   x = 1,420,232,651.05