Finding the Third Proportional to 371,892,806 and 810,747,274

Step by Step Solution

1. Step 1: Write the proportion equation
   371,892,806 : 810,747,274 = 810,747,274 : x
2. Step 2: Convert to fraction form
   371,892,806/810,747,274 = 810,747,274/x
3. Step 3: Cross multiply
   371,892,806x = 810,747,274 × 810,747,274
4. Step 4: Simplify right side
   371,892,806x = 657,311,142,298,431,104
5. Step 5: Solve for x
   x = 657,311,142,298,431,104/371,892,806
6. Step 6: Final answer
   x = 1,767,474,744.59