Finding the Third Proportional to 616,929 and 840,460.50

Step by Step Solution

1. Step 1: Write the proportion equation
   616,929 : 840,460.50 = 840,460.50 : x
2. Step 2: Convert to fraction form
   616,929/840,460.50 = 840,460.50/x
3. Step 3: Cross multiply
   616,929x = 840,460.50 × 840,460.50
4. Step 4: Simplify right side
   616,929x = 706,373,852,060.25
5. Step 5: Solve for x
   x = 706,373,852,060.25/616,929
6. Step 6: Final answer
   x = 1,144,984.03