Finding the Third Proportional to 1,403,364 and 2,953,431

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,364 : 2,953,431 = 2,953,431 : x
2. Step 2: Convert to fraction form
   1,403,364/2,953,431 = 2,953,431/x
3. Step 3: Cross multiply
   1,403,364x = 2,953,431 × 2,953,431
4. Step 4: Simplify right side
   1,403,364x = 8,722,754,671,761
5. Step 5: Solve for x
   x = 8,722,754,671,761/1,403,364
6. Step 6: Final answer
   x = 6,215,603.84