Finding the Third Proportional to 1,870,254 and 4,090,410

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,254 : 4,090,410 = 4,090,410 : x
2. Step 2: Convert to fraction form
   1,870,254/4,090,410 = 4,090,410/x
3. Step 3: Cross multiply
   1,870,254x = 4,090,410 × 4,090,410
4. Step 4: Simplify right side
   1,870,254x = 16,731,453,968,100
5. Step 5: Solve for x
   x = 16,731,453,968,100/1,870,254
6. Step 6: Final answer
   x = 8,946,086.45