Finding the Third Proportional to 72,058,798 and 111,534,910

Step by Step Solution

1. Step 1: Write the proportion equation
   72,058,798 : 111,534,910 = 111,534,910 : x
2. Step 2: Convert to fraction form
   72,058,798/111,534,910 = 111,534,910/x
3. Step 3: Cross multiply
   72,058,798x = 111,534,910 × 111,534,910
4. Step 4: Simplify right side
   72,058,798x = 12,440,036,148,708,100
5. Step 5: Solve for x
   x = 12,440,036,148,708,100/72,058,798
6. Step 6: Final answer
   x = 172,637,297.51