Finding the Third Proportional to 21,105,672.75 and 31,534,267.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,105,672.75 : 31,534,267.50 = 31,534,267.50 : x
2. Step 2: Convert to fraction form
   21,105,672.75/31,534,267.50 = 31,534,267.50/x
3. Step 3: Cross multiply
   21,105,672.75x = 31,534,267.50 × 31,534,267.50
4. Step 4: Simplify right side
   21,105,672.75x = 994,410,026,761,556.25
5. Step 5: Solve for x
   x = 994,410,026,761,556.25/21,105,672.75
6. Step 6: Final answer
   x = 47,115,770.18