Finding the Third Proportional to 911,127 and 1,821,174

Step by Step Solution

1. Step 1: Write the proportion equation
   911,127 : 1,821,174 = 1,821,174 : x
2. Step 2: Convert to fraction form
   911,127/1,821,174 = 1,821,174/x
3. Step 3: Cross multiply
   911,127x = 1,821,174 × 1,821,174
4. Step 4: Simplify right side
   911,127x = 3,316,674,738,276
5. Step 5: Solve for x
   x = 3,316,674,738,276/911,127
6. Step 6: Final answer
   x = 3,640,189.28