Finding the Third Proportional to 550,111.50 and 841,514.06

Step by Step Solution

1. Step 1: Write the proportion equation
   550,111.50 : 841,514.06 = 841,514.06 : x
2. Step 2: Convert to fraction form
   550,111.50/841,514.06 = 841,514.06/x
3. Step 3: Cross multiply
   550,111.50x = 841,514.06 × 841,514.06
4. Step 4: Simplify right side
   550,111.50x = 708,145,917,385.25
5. Step 5: Solve for x
   x = 708,145,917,385.25/550,111.50
6. Step 6: Final answer
   x = 1,287,277.07