Finding the Third Proportional to 12,791,098 and 19,680,682

Step by Step Solution

1. Step 1: Write the proportion equation
   12,791,098 : 19,680,682 = 19,680,682 : x
2. Step 2: Convert to fraction form
   12,791,098/19,680,682 = 19,680,682/x
3. Step 3: Cross multiply
   12,791,098x = 19,680,682 × 19,680,682
4. Step 4: Simplify right side
   12,791,098x = 387,329,243,985,124
5. Step 5: Solve for x
   x = 387,329,243,985,124/12,791,098
6. Step 6: Final answer
   x = 30,281,156.78