Finding the Third Proportional to 1,457,972 and 3,155,560

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457,972 : 3,155,560 = 3,155,560 : x
2. Step 2: Convert to fraction form
   1,457,972/3,155,560 = 3,155,560/x
3. Step 3: Cross multiply
   1,457,972x = 3,155,560 × 3,155,560
4. Step 4: Simplify right side
   1,457,972x = 9,957,558,913,600
5. Step 5: Solve for x
   x = 9,957,558,913,600/1,457,972
6. Step 6: Final answer
   x = 6,829,732.61