Finding the Third Proportional to 1,210,990 and 1,875,088

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,990 : 1,875,088 = 1,875,088 : x
2. Step 2: Convert to fraction form
   1,210,990/1,875,088 = 1,875,088/x
3. Step 3: Cross multiply
   1,210,990x = 1,875,088 × 1,875,088
4. Step 4: Simplify right side
   1,210,990x = 3,515,955,007,744
5. Step 5: Solve for x
   x = 3,515,955,007,744/1,210,990
6. Step 6: Final answer
   x = 2,903,372.45