Finding the Third Proportional to 553,040.50 and 841,106

Step by Step Solution

1. Step 1: Write the proportion equation
   553,040.50 : 841,106 = 841,106 : x
2. Step 2: Convert to fraction form
   553,040.50/841,106 = 841,106/x
3. Step 3: Cross multiply
   553,040.50x = 841,106 × 841,106
4. Step 4: Simplify right side
   553,040.50x = 707,459,303,236
5. Step 5: Solve for x
   x = 707,459,303,236/553,040.50
6. Step 6: Final answer
   x = 1,279,217.89