Finding the Third Proportional to 9,052,128 and 19,521,432

Step by Step Solution

1. Step 1: Write the proportion equation
   9,052,128 : 19,521,432 = 19,521,432 : x
2. Step 2: Convert to fraction form
   9,052,128/19,521,432 = 19,521,432/x
3. Step 3: Cross multiply
   9,052,128x = 19,521,432 × 19,521,432
4. Step 4: Simplify right side
   9,052,128x = 381,086,307,330,624
5. Step 5: Solve for x
   x = 381,086,307,330,624/9,052,128
6. Step 6: Final answer
   x = 42,099,085.14