Finding the Third Proportional to 21,678,516 and 31,703,562

Step by Step Solution

1. Step 1: Write the proportion equation
   21,678,516 : 31,703,562 = 31,703,562 : x
2. Step 2: Convert to fraction form
   21,678,516/31,703,562 = 31,703,562/x
3. Step 3: Cross multiply
   21,678,516x = 31,703,562 × 31,703,562
4. Step 4: Simplify right side
   21,678,516x = 1,005,115,843,487,844
5. Step 5: Solve for x
   x = 1,005,115,843,487,844/21,678,516
6. Step 6: Final answer
   x = 46,364,605.56