Finding the Third Proportional to 2,148,416 and 4,680,160

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148,416 : 4,680,160 = 4,680,160 : x
2. Step 2: Convert to fraction form
   2,148,416/4,680,160 = 4,680,160/x
3. Step 3: Cross multiply
   2,148,416x = 4,680,160 × 4,680,160
4. Step 4: Simplify right side
   2,148,416x = 21,903,897,625,600
5. Step 5: Solve for x
   x = 21,903,897,625,600/2,148,416
6. Step 6: Final answer
   x = 10,195,370.74