Finding the Third Proportional to 561,036 and 841,336.50

Step by Step Solution

1. Step 1: Write the proportion equation
   561,036 : 841,336.50 = 841,336.50 : x
2. Step 2: Convert to fraction form
   561,036/841,336.50 = 841,336.50/x
3. Step 3: Cross multiply
   561,036x = 841,336.50 × 841,336.50
4. Step 4: Simplify right side
   561,036x = 707,847,106,232.25
5. Step 5: Solve for x
   x = 707,847,106,232.25/561,036
6. Step 6: Final answer
   x = 1,261,678.58