Finding the Third Proportional to 1,902,130 and 3,870,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,902,130 : 3,870,688 = 3,870,688 : x
2. Step 2: Convert to fraction form
   1,902,130/3,870,688 = 3,870,688/x
3. Step 3: Cross multiply
   1,902,130x = 3,870,688 × 3,870,688
4. Step 4: Simplify right side
   1,902,130x = 14,982,225,593,344
5. Step 5: Solve for x
   x = 14,982,225,593,344/1,902,130
6. Step 6: Final answer
   x = 7,876,551.86