Finding the Third Proportional to 1,850,724 and 4,284,090

Step by Step Solution

1. Step 1: Write the proportion equation
   1,850,724 : 4,284,090 = 4,284,090 : x
2. Step 2: Convert to fraction form
   1,850,724/4,284,090 = 4,284,090/x
3. Step 3: Cross multiply
   1,850,724x = 4,284,090 × 4,284,090
4. Step 4: Simplify right side
   1,850,724x = 18,353,427,128,100
5. Step 5: Solve for x
   x = 18,353,427,128,100/1,850,724
6. Step 6: Final answer
   x = 9,916,890.43