Finding the Third Proportional to 3,733,561 and 8,142,877

Step by Step Solution

1. Step 1: Write the proportion equation
   3,733,561 : 8,142,877 = 8,142,877 : x
2. Step 2: Convert to fraction form
   3,733,561/8,142,877 = 8,142,877/x
3. Step 3: Cross multiply
   3,733,561x = 8,142,877 × 8,142,877
4. Step 4: Simplify right side
   3,733,561x = 66,306,445,837,129
5. Step 5: Solve for x
   x = 66,306,445,837,129/3,733,561
6. Step 6: Final answer
   x = 17,759,572.12