Finding the Third Proportional to 771,106.50 and 1,152,123.75

Step by Step Solution

1. Step 1: Write the proportion equation
   771,106.50 : 1,152,123.75 = 1,152,123.75 : x
2. Step 2: Convert to fraction form
   771,106.50/1,152,123.75 = 1,152,123.75/x
3. Step 3: Cross multiply
   771,106.50x = 1,152,123.75 × 1,152,123.75
4. Step 4: Simplify right side
   771,106.50x = 1,327,389,135,314.06
5. Step 5: Solve for x
   x = 1,327,389,135,314.06/771,106.50
6. Step 6: Final answer
   x = 1,721,408.31