Finding the Third Proportional to 938,424 and 2,009,688

Step by Step Solution

1. Step 1: Write the proportion equation
   938,424 : 2,009,688 = 2,009,688 : x
2. Step 2: Convert to fraction form
   938,424/2,009,688 = 2,009,688/x
3. Step 3: Cross multiply
   938,424x = 2,009,688 × 2,009,688
4. Step 4: Simplify right side
   938,424x = 4,038,845,857,344
5. Step 5: Solve for x
   x = 4,038,845,857,344/938,424
6. Step 6: Final answer
   x = 4,303,860.36