Finding the Third Proportional to 19,580,817 and 42,415,944

Step by Step Solution

1. Step 1: Write the proportion equation
   19,580,817 : 42,415,944 = 42,415,944 : x
2. Step 2: Convert to fraction form
   19,580,817/42,415,944 = 42,415,944/x
3. Step 3: Cross multiply
   19,580,817x = 42,415,944 × 42,415,944
4. Step 4: Simplify right side
   19,580,817x = 1,799,112,305,411,136
5. Step 5: Solve for x
   x = 1,799,112,305,411,136/19,580,817
6. Step 6: Final answer
   x = 91,881,370.70