Finding the Third Proportional to 405,574.50 and 938,877

Step by Step Solution

1. Step 1: Write the proportion equation
   405,574.50 : 938,877 = 938,877 : x
2. Step 2: Convert to fraction form
   405,574.50/938,877 = 938,877/x
3. Step 3: Cross multiply
   405,574.50x = 938,877 × 938,877
4. Step 4: Simplify right side
   405,574.50x = 881,490,021,129
5. Step 5: Solve for x
   x = 881,490,021,129/405,574.50
6. Step 6: Final answer
   x = 2,173,435.51