Finding the Third Proportional to 139,365,664 and 216,667,032

Step by Step Solution

1. Step 1: Write the proportion equation
   139,365,664 : 216,667,032 = 216,667,032 : x
2. Step 2: Convert to fraction form
   139,365,664/216,667,032 = 216,667,032/x
3. Step 3: Cross multiply
   139,365,664x = 216,667,032 × 216,667,032
4. Step 4: Simplify right side
   139,365,664x = 46,944,602,755,689,024
5. Step 5: Solve for x
   x = 46,944,602,755,689,024/139,365,664
6. Step 6: Final answer
   x = 336,844,825.39