Finding the Third Proportional to 1,472,121 and 2,215,551

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472,121 : 2,215,551 = 2,215,551 : x
2. Step 2: Convert to fraction form
   1,472,121/2,215,551 = 2,215,551/x
3. Step 3: Cross multiply
   1,472,121x = 2,215,551 × 2,215,551
4. Step 4: Simplify right side
   1,472,121x = 4,908,666,233,601
5. Step 5: Solve for x
   x = 4,908,666,233,601/1,472,121
6. Step 6: Final answer
   x = 3,334,417.64