Finding the Third Proportional to 188,026.31 and 402,291.56

Step by Step Solution

1. Step 1: Write the proportion equation
   188,026.31 : 402,291.56 = 402,291.56 : x
2. Step 2: Convert to fraction form
   188,026.31/402,291.56 = 402,291.56/x
3. Step 3: Cross multiply
   188,026.31x = 402,291.56 × 402,291.56
4. Step 4: Simplify right side
   188,026.31x = 161,838,501,258.69
5. Step 5: Solve for x
   x = 161,838,501,258.69/188,026.31
6. Step 6: Final answer
   x = 860,722.62