Finding the Third Proportional to 13,686,587.72 and 21,185,058.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,686,587.72 : 21,185,058.94 = 21,185,058.94 : x
2. Step 2: Convert to fraction form
   13,686,587.72/21,185,058.94 = 21,185,058.94/x
3. Step 3: Cross multiply
   13,686,587.72x = 21,185,058.94 × 21,185,058.94
4. Step 4: Simplify right side
   13,686,587.72x = 448,806,722,185,348.62
5. Step 5: Solve for x
   x = 448,806,722,185,348.62/13,686,587.72
6. Step 6: Final answer
   x = 32,791,717.80