Finding the Third Proportional to 1,684,531 and 3,664,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684,531 : 3,664,210 = 3,664,210 : x
2. Step 2: Convert to fraction form
   1,684,531/3,664,210 = 3,664,210/x
3. Step 3: Cross multiply
   1,684,531x = 3,664,210 × 3,664,210
4. Step 4: Simplify right side
   1,684,531x = 13,426,434,924,100
5. Step 5: Solve for x
   x = 13,426,434,924,100/1,684,531
6. Step 6: Final answer
   x = 7,970,429.11