Finding the Third Proportional to 19,679,018.06 and 42,819,148.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,679,018.06 : 42,819,148.13 = 42,819,148.13 : x
2. Step 2: Convert to fraction form
   19,679,018.06/42,819,148.13 = 42,819,148.13/x
3. Step 3: Cross multiply
   19,679,018.06x = 42,819,148.13 × 42,819,148.13
4. Step 4: Simplify right side
   19,679,018.06x = 1,833,479,446,150,691
5. Step 5: Solve for x
   x = 1,833,479,446,150,691/19,679,018.06
6. Step 6: Final answer
   x = 93,169,254.70