Finding the Third Proportional to 691,380 and 1,037,088

Step by Step Solution

1. Step 1: Write the proportion equation
   691,380 : 1,037,088 = 1,037,088 : x
2. Step 2: Convert to fraction form
   691,380/1,037,088 = 1,037,088/x
3. Step 3: Cross multiply
   691,380x = 1,037,088 × 1,037,088
4. Step 4: Simplify right side
   691,380x = 1,075,551,519,744
5. Step 5: Solve for x
   x = 1,075,551,519,744/691,380
6. Step 6: Final answer
   x = 1,555,659.00