Finding the Third Proportional to 308,676,384 and 662,111,982

Step by Step Solution

1. Step 1: Write the proportion equation
   308,676,384 : 662,111,982 = 662,111,982 : x
2. Step 2: Convert to fraction form
   308,676,384/662,111,982 = 662,111,982/x
3. Step 3: Cross multiply
   308,676,384x = 662,111,982 × 662,111,982
4. Step 4: Simplify right side
   308,676,384x = 438,392,276,707,968,320
5. Step 5: Solve for x
   x = 438,392,276,707,968,320/308,676,384
6. Step 6: Final answer
   x = 1,420,232,643.09