Finding the Third Proportional to 1,890,381 and 4,148,178

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,381 : 4,148,178 = 4,148,178 : x
2. Step 2: Convert to fraction form
   1,890,381/4,148,178 = 4,148,178/x
3. Step 3: Cross multiply
   1,890,381x = 4,148,178 × 4,148,178
4. Step 4: Simplify right side
   1,890,381x = 17,207,380,719,684
5. Step 5: Solve for x
   x = 17,207,380,719,684/1,890,381
6. Step 6: Final answer
   x = 9,102,599.27