Finding the Third Proportional to 185,946,422 and 405,373,662

Step by Step Solution

1. Step 1: Write the proportion equation
   185,946,422 : 405,373,662 = 405,373,662 : x
2. Step 2: Convert to fraction form
   185,946,422/405,373,662 = 405,373,662/x
3. Step 3: Cross multiply
   185,946,422x = 405,373,662 × 405,373,662
4. Step 4: Simplify right side
   185,946,422x = 164,327,805,843,290,240
5. Step 5: Solve for x
   x = 164,327,805,843,290,240/185,946,422
6. Step 6: Final answer
   x = 883,737,391.00