Finding the Third Proportional to 1,217,620 and 1,939,182

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,620 : 1,939,182 = 1,939,182 : x
2. Step 2: Convert to fraction form
   1,217,620/1,939,182 = 1,939,182/x
3. Step 3: Cross multiply
   1,217,620x = 1,939,182 × 1,939,182
4. Step 4: Simplify right side
   1,217,620x = 3,760,426,829,124
5. Step 5: Solve for x
   x = 3,760,426,829,124/1,217,620
6. Step 6: Final answer
   x = 3,088,341.87