Finding the Third Proportional to 877,756.50 and 1,886,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   877,756.50 : 1,886,458.50 = 1,886,458.50 : x
2. Step 2: Convert to fraction form
   877,756.50/1,886,458.50 = 1,886,458.50/x
3. Step 3: Cross multiply
   877,756.50x = 1,886,458.50 × 1,886,458.50
4. Step 4: Simplify right side
   877,756.50x = 3,558,725,672,222.25
5. Step 5: Solve for x
   x = 3,558,725,672,222.25/877,756.50
6. Step 6: Final answer
   x = 4,054,342.72