Finding the Third Proportional to 999,231,516 and 2,165,269,002

Step by Step Solution

1. Step 1: Write the proportion equation
   999,231,516 : 2,165,269,002 = 2,165,269,002 : x
2. Step 2: Convert to fraction form
   999,231,516/2,165,269,002 = 2,165,269,002/x
3. Step 3: Cross multiply
   999,231,516x = 2,165,269,002 × 2,165,269,002
4. Step 4: Simplify right side
   999,231,516x = 4,688,389,851,022,075,904
5. Step 5: Solve for x
   x = 4,688,389,851,022,075,904/999,231,516
6. Step 6: Final answer
   x = 4,691,995,574.55