Finding the Third Proportional to 12,791,092 and 19,680,674

Step by Step Solution

1. Step 1: Write the proportion equation
   12,791,092 : 19,680,674 = 19,680,674 : x
2. Step 2: Convert to fraction form
   12,791,092/19,680,674 = 19,680,674/x
3. Step 3: Cross multiply
   12,791,092x = 19,680,674 × 19,680,674
4. Step 4: Simplify right side
   12,791,092x = 387,328,929,094,276
5. Step 5: Solve for x
   x = 387,328,929,094,276/12,791,092
6. Step 6: Final answer
   x = 30,281,146.37