Finding the Third Proportional to 667,997,401.50 and 1,381,816,827

Step by Step Solution

1. Step 1: Write the proportion equation
   667,997,401.50 : 1,381,816,827 = 1,381,816,827 : x
2. Step 2: Convert to fraction form
   667,997,401.50/1,381,816,827 = 1,381,816,827/x
3. Step 3: Cross multiply
   667,997,401.50x = 1,381,816,827 × 1,381,816,827
4. Step 4: Simplify right side
   667,997,401.50x = 1,909,417,743,380,347,904
5. Step 5: Solve for x
   x = 1,909,417,743,380,347,904/667,997,401.50
6. Step 6: Final answer
   x = 2,858,420,914.65