Finding the Third Proportional to 9,988,565 and 21,493,084

Step by Step Solution

1. Step 1: Write the proportion equation
   9,988,565 : 21,493,084 = 21,493,084 : x
2. Step 2: Convert to fraction form
   9,988,565/21,493,084 = 21,493,084/x
3. Step 3: Cross multiply
   9,988,565x = 21,493,084 × 21,493,084
4. Step 4: Simplify right side
   9,988,565x = 461,952,659,831,056
5. Step 5: Solve for x
   x = 461,952,659,831,056/9,988,565
6. Step 6: Final answer
   x = 46,248,150.74