Finding the Third Proportional to 3,876,584 and 8,523,276

Step by Step Solution

1. Step 1: Write the proportion equation
   3,876,584 : 8,523,276 = 8,523,276 : x
2. Step 2: Convert to fraction form
   3,876,584/8,523,276 = 8,523,276/x
3. Step 3: Cross multiply
   3,876,584x = 8,523,276 × 8,523,276
4. Step 4: Simplify right side
   3,876,584x = 72,646,233,772,176
5. Step 5: Solve for x
   x = 72,646,233,772,176/3,876,584
6. Step 6: Final answer
   x = 18,739,754.84