Finding the Third Proportional to 2,130,688 and 2,870,704

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130,688 : 2,870,704 = 2,870,704 : x
2. Step 2: Convert to fraction form
   2,130,688/2,870,704 = 2,870,704/x
3. Step 3: Cross multiply
   2,130,688x = 2,870,704 × 2,870,704
4. Step 4: Simplify right side
   2,130,688x = 8,240,941,455,616
5. Step 5: Solve for x
   x = 8,240,941,455,616/2,130,688
6. Step 6: Final answer
   x = 3,867,737.30