Finding the Third Proportional to 4,154,248 and 8,638,733

Step by Step Solution

1. Step 1: Write the proportion equation
   4,154,248 : 8,638,733 = 8,638,733 : x
2. Step 2: Convert to fraction form
   4,154,248/8,638,733 = 8,638,733/x
3. Step 3: Cross multiply
   4,154,248x = 8,638,733 × 8,638,733
4. Step 4: Simplify right side
   4,154,248x = 74,627,707,845,289
5. Step 5: Solve for x
   x = 74,627,707,845,289/4,154,248
6. Step 6: Final answer
   x = 17,964,191.80