Finding the Third Proportional to 19,565,553 and 42,502,443

Step by Step Solution

1. Step 1: Write the proportion equation
   19,565,553 : 42,502,443 = 42,502,443 : x
2. Step 2: Convert to fraction form
   19,565,553/42,502,443 = 42,502,443/x
3. Step 3: Cross multiply
   19,565,553x = 42,502,443 × 42,502,443
4. Step 4: Simplify right side
   19,565,553x = 1,806,457,660,968,249
5. Step 5: Solve for x
   x = 1,806,457,660,968,249/19,565,553
6. Step 6: Final answer
   x = 92,328,474.49