Finding the Third Proportional to 1,129,199 and 1,609,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,199 : 1,609,620 = 1,609,620 : x
2. Step 2: Convert to fraction form
   1,129,199/1,609,620 = 1,609,620/x
3. Step 3: Cross multiply
   1,129,199x = 1,609,620 × 1,609,620
4. Step 4: Simplify right side
   1,129,199x = 2,590,876,544,400
5. Step 5: Solve for x
   x = 2,590,876,544,400/1,129,199
6. Step 6: Final answer
   x = 2,294,437.51