Finding the Third Proportional to 389,953,925,802 and 849,136,179,132

Step by Step Solution

1. Step 1: Write the proportion equation
   389,953,925,802 : 849,136,179,132 = 849,136,179,132 : x
2. Step 2: Convert to fraction form
   389,953,925,802/849,136,179,132 = 849,136,179,132/x
3. Step 3: Cross multiply
   389,953,925,802x = 849,136,179,132 × 849,136,179,132
4. Step 4: Simplify right side
   389,953,925,802x = 721,032,250,710,891,998,216,192
5. Step 5: Solve for x
   x = 721,032,250,710,891,998,216,192/389,953,925,802
6. Step 6: Final answer
   x = 1,849,019,084,057.12