Finding the Third Proportional to 389,953,925,793 and 849,136,179,123

Step by Step Solution

1. Step 1: Write the proportion equation
   389,953,925,793 : 849,136,179,123 = 849,136,179,123 : x
2. Step 2: Convert to fraction form
   389,953,925,793/849,136,179,123 = 849,136,179,123/x
3. Step 3: Cross multiply
   389,953,925,793x = 849,136,179,123 × 849,136,179,123
4. Step 4: Simplify right side
   389,953,925,793x = 721,032,250,695,607,551,787,008
5. Step 5: Solve for x
   x = 721,032,250,695,607,551,787,008/389,953,925,793
6. Step 6: Final answer
   x = 1,849,019,084,060.60