Finding the Third Proportional to 9,892,432 and 21,476,844

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892,432 : 21,476,844 = 21,476,844 : x
2. Step 2: Convert to fraction form
   9,892,432/21,476,844 = 21,476,844/x
3. Step 3: Cross multiply
   9,892,432x = 21,476,844 × 21,476,844
4. Step 4: Simplify right side
   9,892,432x = 461,254,828,200,336
5. Step 5: Solve for x
   x = 461,254,828,200,336/9,892,432
6. Step 6: Final answer
   x = 46,627,040.57