Finding the Third Proportional to 68,200,128 and 146,103,936

Step by Step Solution

1. Step 1: Write the proportion equation
   68,200,128 : 146,103,936 = 146,103,936 : x
2. Step 2: Convert to fraction form
   68,200,128/146,103,936 = 146,103,936/x
3. Step 3: Cross multiply
   68,200,128x = 146,103,936 × 146,103,936
4. Step 4: Simplify right side
   68,200,128x = 21,346,360,114,692,096
5. Step 5: Solve for x
   x = 21,346,360,114,692,096/68,200,128
6. Step 6: Final answer
   x = 312,995,895.18