Finding the Third Proportional to 674,790 and 1,019,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   674,790 : 1,019,156.50 = 1,019,156.50 : x
2. Step 2: Convert to fraction form
   674,790/1,019,156.50 = 1,019,156.50/x
3. Step 3: Cross multiply
   674,790x = 1,019,156.50 × 1,019,156.50
4. Step 4: Simplify right side
   674,790x = 1,038,679,971,492.25
5. Step 5: Solve for x
   x = 1,038,679,971,492.25/674,790
6. Step 6: Final answer
   x = 1,539,264.03