Finding the Third Proportional to 21,545,811 and 34,300,221

Step by Step Solution

1. Step 1: Write the proportion equation
   21,545,811 : 34,300,221 = 34,300,221 : x
2. Step 2: Convert to fraction form
   21,545,811/34,300,221 = 34,300,221/x
3. Step 3: Cross multiply
   21,545,811x = 34,300,221 × 34,300,221
4. Step 4: Simplify right side
   21,545,811x = 1,176,505,160,648,841
5. Step 5: Solve for x
   x = 1,176,505,160,648,841/21,545,811
6. Step 6: Final answer
   x = 54,604,821.36