Finding the Third Proportional to 618,465 and 882,049.50

Step by Step Solution

1. Step 1: Write the proportion equation
   618,465 : 882,049.50 = 882,049.50 : x
2. Step 2: Convert to fraction form
   618,465/882,049.50 = 882,049.50/x
3. Step 3: Cross multiply
   618,465x = 882,049.50 × 882,049.50
4. Step 4: Simplify right side
   618,465x = 778,011,320,450.25
5. Step 5: Solve for x
   x = 778,011,320,450.25/618,465
6. Step 6: Final answer
   x = 1,257,971.46