Finding the Third Proportional to 19,580,836 and 42,415,982

Step by Step Solution

1. Step 1: Write the proportion equation
   19,580,836 : 42,415,982 = 42,415,982 : x
2. Step 2: Convert to fraction form
   19,580,836/42,415,982 = 42,415,982/x
3. Step 3: Cross multiply
   19,580,836x = 42,415,982 × 42,415,982
4. Step 4: Simplify right side
   19,580,836x = 1,799,115,529,024,324
5. Step 5: Solve for x
   x = 1,799,115,529,024,324/19,580,836
6. Step 6: Final answer
   x = 91,881,446.18