Finding the Third Proportional to 550,323 and 785,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   550,323 : 785,146.50 = 785,146.50 : x
2. Step 2: Convert to fraction form
   550,323/785,146.50 = 785,146.50/x
3. Step 3: Cross multiply
   550,323x = 785,146.50 × 785,146.50
4. Step 4: Simplify right side
   550,323x = 616,455,026,462.25
5. Step 5: Solve for x
   x = 616,455,026,462.25/550,323
6. Step 6: Final answer
   x = 1,120,169.48