Finding the Third Proportional to 7,874,523 and 12,147,581

Step by Step Solution

1. Step 1: Write the proportion equation
   7,874,523 : 12,147,581 = 12,147,581 : x
2. Step 2: Convert to fraction form
   7,874,523/12,147,581 = 12,147,581/x
3. Step 3: Cross multiply
   7,874,523x = 12,147,581 × 12,147,581
4. Step 4: Simplify right side
   7,874,523x = 147,563,724,151,561
5. Step 5: Solve for x
   x = 147,563,724,151,561/7,874,523
6. Step 6: Final answer
   x = 18,739,385.76