Finding the Third Proportional to 405,188.50 and 879,053

Step by Step Solution

1. Step 1: Write the proportion equation
   405,188.50 : 879,053 = 879,053 : x
2. Step 2: Convert to fraction form
   405,188.50/879,053 = 879,053/x
3. Step 3: Cross multiply
   405,188.50x = 879,053 × 879,053
4. Step 4: Simplify right side
   405,188.50x = 772,734,176,809
5. Step 5: Solve for x
   x = 772,734,176,809/405,188.50
6. Step 6: Final answer
   x = 1,907,098.00