Finding the Third Proportional to 13,521,848 and 31,887,729

Step by Step Solution

1. Step 1: Write the proportion equation
   13,521,848 : 31,887,729 = 31,887,729 : x
2. Step 2: Convert to fraction form
   13,521,848/31,887,729 = 31,887,729/x
3. Step 3: Cross multiply
   13,521,848x = 31,887,729 × 31,887,729
4. Step 4: Simplify right side
   13,521,848x = 1,016,827,260,777,441
5. Step 5: Solve for x
   x = 1,016,827,260,777,441/13,521,848
6. Step 6: Final answer
   x = 75,198,838.26