Finding the Third Proportional to 4,507,632 and 9,869,280

Step by Step Solution

1. Step 1: Write the proportion equation
   4,507,632 : 9,869,280 = 9,869,280 : x
2. Step 2: Convert to fraction form
   4,507,632/9,869,280 = 9,869,280/x
3. Step 3: Cross multiply
   4,507,632x = 9,869,280 × 9,869,280
4. Step 4: Simplify right side
   4,507,632x = 97,402,687,718,400
5. Step 5: Solve for x
   x = 97,402,687,718,400/4,507,632
6. Step 6: Final answer
   x = 21,608,393.88