Finding the Third Proportional to 408,846,610 and 891,690,152

Step by Step Solution

1. Step 1: Write the proportion equation
   408,846,610 : 891,690,152 = 891,690,152 : x
2. Step 2: Convert to fraction form
   408,846,610/891,690,152 = 891,690,152/x
3. Step 3: Cross multiply
   408,846,610x = 891,690,152 × 891,690,152
4. Step 4: Simplify right side
   408,846,610x = 795,111,327,173,783,040
5. Step 5: Solve for x
   x = 795,111,327,173,783,040/408,846,610
6. Step 6: Final answer
   x = 1,944,766,833.64