Finding the Third Proportional to 4,420,116 and 9,520,362

Step by Step Solution

1. Step 1: Write the proportion equation
   4,420,116 : 9,520,362 = 9,520,362 : x
2. Step 2: Convert to fraction form
   4,420,116/9,520,362 = 9,520,362/x
3. Step 3: Cross multiply
   4,420,116x = 9,520,362 × 9,520,362
4. Step 4: Simplify right side
   4,420,116x = 90,637,292,611,044
5. Step 5: Solve for x
   x = 90,637,292,611,044/4,420,116
6. Step 6: Final answer
   x = 20,505,636.64