Finding the Third Proportional to 2,123,070 and 3,121,965

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,070 : 3,121,965 = 3,121,965 : x
2. Step 2: Convert to fraction form
   2,123,070/3,121,965 = 3,121,965/x
3. Step 3: Cross multiply
   2,123,070x = 3,121,965 × 3,121,965
4. Step 4: Simplify right side
   2,123,070x = 9,746,665,461,225
5. Step 5: Solve for x
   x = 9,746,665,461,225/2,123,070
6. Step 6: Final answer
   x = 4,590,835.66