Finding the Third Proportional to 11,998,223 and 19,321,090

Step by Step Solution

1. Step 1: Write the proportion equation
   11,998,223 : 19,321,090 = 19,321,090 : x
2. Step 2: Convert to fraction form
   11,998,223/19,321,090 = 19,321,090/x
3. Step 3: Cross multiply
   11,998,223x = 19,321,090 × 19,321,090
4. Step 4: Simplify right side
   11,998,223x = 373,304,518,788,100
5. Step 5: Solve for x
   x = 373,304,518,788,100/11,998,223
6. Step 6: Final answer
   x = 31,113,317.26