Finding the Third Proportional to 4,059,507 and 8,731,374

Step by Step Solution

1. Step 1: Write the proportion equation
   4,059,507 : 8,731,374 = 8,731,374 : x
2. Step 2: Convert to fraction form
   4,059,507/8,731,374 = 8,731,374/x
3. Step 3: Cross multiply
   4,059,507x = 8,731,374 × 8,731,374
4. Step 4: Simplify right side
   4,059,507x = 76,236,891,927,876
5. Step 5: Solve for x
   x = 76,236,891,927,876/4,059,507
6. Step 6: Final answer
   x = 18,779,840.00