Finding the Third Proportional to 19,019,340 and 37,085,688

Step by Step Solution

1. Step 1: Write the proportion equation
   19,019,340 : 37,085,688 = 37,085,688 : x
2. Step 2: Convert to fraction form
   19,019,340/37,085,688 = 37,085,688/x
3. Step 3: Cross multiply
   19,019,340x = 37,085,688 × 37,085,688
4. Step 4: Simplify right side
   19,019,340x = 1,375,348,254,433,344
5. Step 5: Solve for x
   x = 1,375,348,254,433,344/19,019,340
6. Step 6: Final answer
   x = 72,313,143.07