Finding the Third Proportional to 773,917.50 and 1,172,560.50

Step by Step Solution

1. Step 1: Write the proportion equation
   773,917.50 : 1,172,560.50 = 1,172,560.50 : x
2. Step 2: Convert to fraction form
   773,917.50/1,172,560.50 = 1,172,560.50/x
3. Step 3: Cross multiply
   773,917.50x = 1,172,560.50 × 1,172,560.50
4. Step 4: Simplify right side
   773,917.50x = 1,374,898,126,160.25
5. Step 5: Solve for x
   x = 1,374,898,126,160.25/773,917.50
6. Step 6: Final answer
   x = 1,776,543.53