Finding the Third Proportional to 654,912 and 1,431,572

Step by Step Solution

1. Step 1: Write the proportion equation
   654,912 : 1,431,572 = 1,431,572 : x
2. Step 2: Convert to fraction form
   654,912/1,431,572 = 1,431,572/x
3. Step 3: Cross multiply
   654,912x = 1,431,572 × 1,431,572
4. Step 4: Simplify right side
   654,912x = 2,049,398,391,184
5. Step 5: Solve for x
   x = 2,049,398,391,184/654,912
6. Step 6: Final answer
   x = 3,129,272.93