Finding the Third Proportional to 4,963,312 and 7,963,272

Step by Step Solution

1. Step 1: Write the proportion equation
   4,963,312 : 7,963,272 = 7,963,272 : x
2. Step 2: Convert to fraction form
   4,963,312/7,963,272 = 7,963,272/x
3. Step 3: Cross multiply
   4,963,312x = 7,963,272 × 7,963,272
4. Step 4: Simplify right side
   4,963,312x = 63,413,700,945,984
5. Step 5: Solve for x
   x = 63,413,700,945,984/4,963,312
6. Step 6: Final answer
   x = 12,776,488.95