Finding the Third Proportional to 1,139,366 and 1,771,269

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,366 : 1,771,269 = 1,771,269 : x
2. Step 2: Convert to fraction form
   1,139,366/1,771,269 = 1,771,269/x
3. Step 3: Cross multiply
   1,139,366x = 1,771,269 × 1,771,269
4. Step 4: Simplify right side
   1,139,366x = 3,137,393,870,361
5. Step 5: Solve for x
   x = 3,137,393,870,361/1,139,366
6. Step 6: Final answer
   x = 2,753,631.29