Finding the Third Proportional to 19,442,220 and 42,546,136

Step by Step Solution

1. Step 1: Write the proportion equation
   19,442,220 : 42,546,136 = 42,546,136 : x
2. Step 2: Convert to fraction form
   19,442,220/42,546,136 = 42,546,136/x
3. Step 3: Cross multiply
   19,442,220x = 42,546,136 × 42,546,136
4. Step 4: Simplify right side
   19,442,220x = 1,810,173,688,530,496
5. Step 5: Solve for x
   x = 1,810,173,688,530,496/19,442,220
6. Step 6: Final answer
   x = 93,105,298.08