Finding the Third Proportional to 5,207,053 and 7,791,720

Step by Step Solution

1. Step 1: Write the proportion equation
   5,207,053 : 7,791,720 = 7,791,720 : x
2. Step 2: Convert to fraction form
   5,207,053/7,791,720 = 7,791,720/x
3. Step 3: Cross multiply
   5,207,053x = 7,791,720 × 7,791,720
4. Step 4: Simplify right side
   5,207,053x = 60,710,900,558,400
5. Step 5: Solve for x
   x = 60,710,900,558,400/5,207,053
6. Step 6: Final answer
   x = 11,659,359.06