Finding the Third Proportional to 1,415,936 and 2,123,499

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415,936 : 2,123,499 = 2,123,499 : x
2. Step 2: Convert to fraction form
   1,415,936/2,123,499 = 2,123,499/x
3. Step 3: Cross multiply
   1,415,936x = 2,123,499 × 2,123,499
4. Step 4: Simplify right side
   1,415,936x = 4,509,248,003,001
5. Step 5: Solve for x
   x = 4,509,248,003,001/1,415,936
6. Step 6: Final answer
   x = 3,184,641.12