Finding the Third Proportional to 1,250,128.69 and 1,902,166.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250,128.69 : 1,902,166.03 = 1,902,166.03 : x
2. Step 2: Convert to fraction form
   1,250,128.69/1,902,166.03 = 1,902,166.03/x
3. Step 3: Cross multiply
   1,250,128.69x = 1,902,166.03 × 1,902,166.03
4. Step 4: Simplify right side
   1,250,128.69x = 3,618,235,610,441.38
5. Step 5: Solve for x
   x = 3,618,235,610,441.38/1,250,128.69
6. Step 6: Final answer
   x = 2,894,290.52