Finding the Third Proportional to 670,140 and 1,036,315

Step by Step Solution

1. Step 1: Write the proportion equation
   670,140 : 1,036,315 = 1,036,315 : x
2. Step 2: Convert to fraction form
   670,140/1,036,315 = 1,036,315/x
3. Step 3: Cross multiply
   670,140x = 1,036,315 × 1,036,315
4. Step 4: Simplify right side
   670,140x = 1,073,948,779,225
5. Step 5: Solve for x
   x = 1,073,948,779,225/670,140
6. Step 6: Final answer
   x = 1,602,573.76