Finding the Third Proportional to 718,320.50 and 1,075,502.50

Step by Step Solution

1. Step 1: Write the proportion equation
   718,320.50 : 1,075,502.50 = 1,075,502.50 : x
2. Step 2: Convert to fraction form
   718,320.50/1,075,502.50 = 1,075,502.50/x
3. Step 3: Cross multiply
   718,320.50x = 1,075,502.50 × 1,075,502.50
4. Step 4: Simplify right side
   718,320.50x = 1,156,705,627,506.25
5. Step 5: Solve for x
   x = 1,156,705,627,506.25/718,320.50
6. Step 6: Final answer
   x = 1,610,291.82