Finding the Third Proportional to 719,680 and 1,075,560

Step by Step Solution

1. Step 1: Write the proportion equation
   719,680 : 1,075,560 = 1,075,560 : x
2. Step 2: Convert to fraction form
   719,680/1,075,560 = 1,075,560/x
3. Step 3: Cross multiply
   719,680x = 1,075,560 × 1,075,560
4. Step 4: Simplify right side
   719,680x = 1,156,829,313,600
5. Step 5: Solve for x
   x = 1,156,829,313,600/719,680
6. Step 6: Final answer
   x = 1,607,421.79