Finding the Third Proportional to 4,301,280 and 9,389,632

Step by Step Solution

1. Step 1: Write the proportion equation
   4,301,280 : 9,389,632 = 9,389,632 : x
2. Step 2: Convert to fraction form
   4,301,280/9,389,632 = 9,389,632/x
3. Step 3: Cross multiply
   4,301,280x = 9,389,632 × 9,389,632
4. Step 4: Simplify right side
   4,301,280x = 88,165,189,095,424
5. Step 5: Solve for x
   x = 88,165,189,095,424/4,301,280
6. Step 6: Final answer
   x = 20,497,430.79