Finding the Third Proportional to 1,887,688 and 4,090,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887,688 : 4,090,310 = 4,090,310 : x
2. Step 2: Convert to fraction form
   1,887,688/4,090,310 = 4,090,310/x
3. Step 3: Cross multiply
   1,887,688x = 4,090,310 × 4,090,310
4. Step 4: Simplify right side
   1,887,688x = 16,730,635,896,100
5. Step 5: Solve for x
   x = 16,730,635,896,100/1,887,688
6. Step 6: Final answer
   x = 8,863,030.28