Finding the Third Proportional to 70,872,012 and 111,031,920

Step by Step Solution

1. Step 1: Write the proportion equation
   70,872,012 : 111,031,920 = 111,031,920 : x
2. Step 2: Convert to fraction form
   70,872,012/111,031,920 = 111,031,920/x
3. Step 3: Cross multiply
   70,872,012x = 111,031,920 × 111,031,920
4. Step 4: Simplify right side
   70,872,012x = 12,328,087,258,886,400
5. Step 5: Solve for x
   x = 12,328,087,258,886,400/70,872,012
6. Step 6: Final answer
   x = 173,948,599.89