Finding the Third Proportional to 21,909,170 and 34,103,663

Step by Step Solution

1. Step 1: Write the proportion equation
   21,909,170 : 34,103,663 = 34,103,663 : x
2. Step 2: Convert to fraction form
   21,909,170/34,103,663 = 34,103,663/x
3. Step 3: Cross multiply
   21,909,170x = 34,103,663 × 34,103,663
4. Step 4: Simplify right side
   21,909,170x = 1,163,059,830,017,569
5. Step 5: Solve for x
   x = 1,163,059,830,017,569/21,909,170
6. Step 6: Final answer
   x = 53,085,526.75