Finding the Third Proportional to 21,689,964 and 31,703,724

Step by Step Solution

1. Step 1: Write the proportion equation
   21,689,964 : 31,703,724 = 31,703,724 : x
2. Step 2: Convert to fraction form
   21,689,964/31,703,724 = 31,703,724/x
3. Step 3: Cross multiply
   21,689,964x = 31,703,724 × 31,703,724
4. Step 4: Simplify right side
   21,689,964x = 1,005,126,115,468,176
5. Step 5: Solve for x
   x = 1,005,126,115,468,176/21,689,964
6. Step 6: Final answer
   x = 46,340,607.83