Finding the Third Proportional to 47,772,587 and 72,054,809

Step by Step Solution

1. Step 1: Write the proportion equation
   47,772,587 : 72,054,809 = 72,054,809 : x
2. Step 2: Convert to fraction form
   47,772,587/72,054,809 = 72,054,809/x
3. Step 3: Cross multiply
   47,772,587x = 72,054,809 × 72,054,809
4. Step 4: Simplify right side
   47,772,587x = 5,191,895,500,026,481
5. Step 5: Solve for x
   x = 5,191,895,500,026,481/47,772,587
6. Step 6: Final answer
   x = 108,679,387.62