Finding the Third Proportional to 19,214,640 and 42,208,416

Step by Step Solution

1. Step 1: Write the proportion equation
   19,214,640 : 42,208,416 = 42,208,416 : x
2. Step 2: Convert to fraction form
   19,214,640/42,208,416 = 42,208,416/x
3. Step 3: Cross multiply
   19,214,640x = 42,208,416 × 42,208,416
4. Step 4: Simplify right side
   19,214,640x = 1,781,550,381,229,056
5. Step 5: Solve for x
   x = 1,781,550,381,229,056/19,214,640
6. Step 6: Final answer
   x = 92,718,384.59