Finding the Third Proportional to 929,139 and 1,406,565

Step by Step Solution

1. Step 1: Write the proportion equation
   929,139 : 1,406,565 = 1,406,565 : x
2. Step 2: Convert to fraction form
   929,139/1,406,565 = 1,406,565/x
3. Step 3: Cross multiply
   929,139x = 1,406,565 × 1,406,565
4. Step 4: Simplify right side
   929,139x = 1,978,425,099,225
5. Step 5: Solve for x
   x = 1,978,425,099,225/929,139
6. Step 6: Final answer
   x = 2,129,310.15