Finding the Third Proportional to 185,946,440 and 405,373,710

Step by Step Solution

1. Step 1: Write the proportion equation
   185,946,440 : 405,373,710 = 405,373,710 : x
2. Step 2: Convert to fraction form
   185,946,440/405,373,710 = 405,373,710/x
3. Step 3: Cross multiply
   185,946,440x = 405,373,710 × 405,373,710
4. Step 4: Simplify right side
   185,946,440x = 164,327,844,759,164,096
5. Step 5: Solve for x
   x = 164,327,844,759,164,096/185,946,440
6. Step 6: Final answer
   x = 883,737,514.73