Finding the Third Proportional to 653,436 and 1,406,991

Step by Step Solution

1. Step 1: Write the proportion equation
   653,436 : 1,406,991 = 1,406,991 : x
2. Step 2: Convert to fraction form
   653,436/1,406,991 = 1,406,991/x
3. Step 3: Cross multiply
   653,436x = 1,406,991 × 1,406,991
4. Step 4: Simplify right side
   653,436x = 1,979,623,674,081
5. Step 5: Solve for x
   x = 1,979,623,674,081/653,436
6. Step 6: Final answer
   x = 3,029,560.16