Finding the Third Proportional to 7,224,017 and 9,905,961

Step by Step Solution

1. Step 1: Write the proportion equation
   7,224,017 : 9,905,961 = 9,905,961 : x
2. Step 2: Convert to fraction form
   7,224,017/9,905,961 = 9,905,961/x
3. Step 3: Cross multiply
   7,224,017x = 9,905,961 × 9,905,961
4. Step 4: Simplify right side
   7,224,017x = 98,128,063,333,521
5. Step 5: Solve for x
   x = 98,128,063,333,521/7,224,017
6. Step 6: Final answer
   x = 13,583,586.99