Finding the Third Proportional to 653,429.50 and 1,406,978

Step by Step Solution

1. Step 1: Write the proportion equation
   653,429.50 : 1,406,978 = 1,406,978 : x
2. Step 2: Convert to fraction form
   653,429.50/1,406,978 = 1,406,978/x
3. Step 3: Cross multiply
   653,429.50x = 1,406,978 × 1,406,978
4. Step 4: Simplify right side
   653,429.50x = 1,979,587,092,484
5. Step 5: Solve for x
   x = 1,979,587,092,484/653,429.50
6. Step 6: Final answer
   x = 3,029,534.31