Finding the Third Proportional to 344,712 and 535,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   344,712 : 535,111.50 = 535,111.50 : x
2. Step 2: Convert to fraction form
   344,712/535,111.50 = 535,111.50/x
3. Step 3: Cross multiply
   344,712x = 535,111.50 × 535,111.50
4. Step 4: Simplify right side
   344,712x = 286,344,317,432.25
5. Step 5: Solve for x
   x = 286,344,317,432.25/344,712
6. Step 6: Final answer
   x = 830,676.96