Finding the Third Proportional to 19,456,244 and 42,235,416

Step by Step Solution

1. Step 1: Write the proportion equation
   19,456,244 : 42,235,416 = 42,235,416 : x
2. Step 2: Convert to fraction form
   19,456,244/42,235,416 = 42,235,416/x
3. Step 3: Cross multiply
   19,456,244x = 42,235,416 × 42,235,416
4. Step 4: Simplify right side
   19,456,244x = 1,783,830,364,693,056
5. Step 5: Solve for x
   x = 1,783,830,364,693,056/19,456,244
6. Step 6: Final answer
   x = 91,684,210.20