Finding the Third Proportional to 1,902,140 and 3,870,708

Step by Step Solution

1. Step 1: Write the proportion equation
   1,902,140 : 3,870,708 = 3,870,708 : x
2. Step 2: Convert to fraction form
   1,902,140/3,870,708 = 3,870,708/x
3. Step 3: Cross multiply
   1,902,140x = 3,870,708 × 3,870,708
4. Step 4: Simplify right side
   1,902,140x = 14,982,380,421,264
5. Step 5: Solve for x
   x = 14,982,380,421,264/1,902,140
6. Step 6: Final answer
   x = 7,876,591.85