Finding the Third Proportional to 1,121,090 and 1,611,651

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,090 : 1,611,651 = 1,611,651 : x
2. Step 2: Convert to fraction form
   1,121,090/1,611,651 = 1,611,651/x
3. Step 3: Cross multiply
   1,121,090x = 1,611,651 × 1,611,651
4. Step 4: Simplify right side
   1,121,090x = 2,597,418,945,801
5. Step 5: Solve for x
   x = 2,597,418,945,801/1,121,090
6. Step 6: Final answer
   x = 2,316,869.25