Finding the Third Proportional to 3,689,946 and 8,106,354

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689,946 : 8,106,354 = 8,106,354 : x
2. Step 2: Convert to fraction form
   3,689,946/8,106,354 = 8,106,354/x
3. Step 3: Cross multiply
   3,689,946x = 8,106,354 × 8,106,354
4. Step 4: Simplify right side
   3,689,946x = 65,712,975,173,316
5. Step 5: Solve for x
   x = 65,712,975,173,316/3,689,946
6. Step 6: Final answer
   x = 17,808,654.97