Finding the Third Proportional to 630,140 and 956,860

Step by Step Solution

1. Step 1: Write the proportion equation
   630,140 : 956,860 = 956,860 : x
2. Step 2: Convert to fraction form
   630,140/956,860 = 956,860/x
3. Step 3: Cross multiply
   630,140x = 956,860 × 956,860
4. Step 4: Simplify right side
   630,140x = 915,581,059,600
5. Step 5: Solve for x
   x = 915,581,059,600/630,140
6. Step 6: Final answer
   x = 1,452,980.38