Finding the Third Proportional to 1,715,434 and 3,658,861

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715,434 : 3,658,861 = 3,658,861 : x
2. Step 2: Convert to fraction form
   1,715,434/3,658,861 = 3,658,861/x
3. Step 3: Cross multiply
   1,715,434x = 3,658,861 × 3,658,861
4. Step 4: Simplify right side
   1,715,434x = 13,387,263,817,321
5. Step 5: Solve for x
   x = 13,387,263,817,321/1,715,434
6. Step 6: Final answer
   x = 7,804,009.84