Finding the Third Proportional to 1,772,431 and 3,609,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772,431 : 3,609,816 = 3,609,816 : x
2. Step 2: Convert to fraction form
   1,772,431/3,609,816 = 3,609,816/x
3. Step 3: Cross multiply
   1,772,431x = 3,609,816 × 3,609,816
4. Step 4: Simplify right side
   1,772,431x = 13,030,771,553,856
5. Step 5: Solve for x
   x = 13,030,771,553,856/1,772,431
6. Step 6: Final answer
   x = 7,351,920.36