Finding the Third Proportional to 3,564,964 and 7,783,139

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,964 : 7,783,139 = 7,783,139 : x
2. Step 2: Convert to fraction form
   3,564,964/7,783,139 = 7,783,139/x
3. Step 3: Cross multiply
   3,564,964x = 7,783,139 × 7,783,139
4. Step 4: Simplify right side
   3,564,964x = 60,577,252,693,321
5. Step 5: Solve for x
   x = 60,577,252,693,321/3,564,964
6. Step 6: Final answer
   x = 16,992,388.34