Finding the Third Proportional to 5,603,984 and 8,875,128

Step by Step Solution

1. Step 1: Write the proportion equation
   5,603,984 : 8,875,128 = 8,875,128 : x
2. Step 2: Convert to fraction form
   5,603,984/8,875,128 = 8,875,128/x
3. Step 3: Cross multiply
   5,603,984x = 8,875,128 × 8,875,128
4. Step 4: Simplify right side
   5,603,984x = 78,767,897,016,384
5. Step 5: Solve for x
   x = 78,767,897,016,384/5,603,984
6. Step 6: Final answer
   x = 14,055,696.27