Finding the Third Proportional to 4,931,748 and 7,738,407

Step by Step Solution

1. Step 1: Write the proportion equation
   4,931,748 : 7,738,407 = 7,738,407 : x
2. Step 2: Convert to fraction form
   4,931,748/7,738,407 = 7,738,407/x
3. Step 3: Cross multiply
   4,931,748x = 7,738,407 × 7,738,407
4. Step 4: Simplify right side
   4,931,748x = 59,882,942,897,649
5. Step 5: Solve for x
   x = 59,882,942,897,649/4,931,748
6. Step 6: Final answer
   x = 12,142,336.33