Finding the Third Proportional to 21,981,128 and 33,624,432

Step by Step Solution

1. Step 1: Write the proportion equation
   21,981,128 : 33,624,432 = 33,624,432 : x
2. Step 2: Convert to fraction form
   21,981,128/33,624,432 = 33,624,432/x
3. Step 3: Cross multiply
   21,981,128x = 33,624,432 × 33,624,432
4. Step 4: Simplify right side
   21,981,128x = 1,130,602,427,322,624
5. Step 5: Solve for x
   x = 1,130,602,427,322,624/21,981,128
6. Step 6: Final answer
   x = 51,435,141.42