Finding the Third Proportional to 1,938,670 and 4,262,358

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938,670 : 4,262,358 = 4,262,358 : x
2. Step 2: Convert to fraction form
   1,938,670/4,262,358 = 4,262,358/x
3. Step 3: Cross multiply
   1,938,670x = 4,262,358 × 4,262,358
4. Step 4: Simplify right side
   1,938,670x = 18,167,695,720,164
5. Step 5: Solve for x
   x = 18,167,695,720,164/1,938,670
6. Step 6: Final answer
   x = 9,371,216.21