Finding the Third Proportional to 1,992,730 and 3,172,365

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992,730 : 3,172,365 = 3,172,365 : x
2. Step 2: Convert to fraction form
   1,992,730/3,172,365 = 3,172,365/x
3. Step 3: Cross multiply
   1,992,730x = 3,172,365 × 3,172,365
4. Step 4: Simplify right side
   1,992,730x = 10,063,899,693,225
5. Step 5: Solve for x
   x = 10,063,899,693,225/1,992,730
6. Step 6: Final answer
   x = 5,050,307.72