Finding the Third Proportional to 917,764.31 and 1,968,388.88

Step by Step Solution

1. Step 1: Write the proportion equation
   917,764.31 : 1,968,388.88 = 1,968,388.88 : x
2. Step 2: Convert to fraction form
   917,764.31/1,968,388.88 = 1,968,388.88/x
3. Step 3: Cross multiply
   917,764.31x = 1,968,388.88 × 1,968,388.88
4. Step 4: Simplify right side
   917,764.31x = 3,874,554,763,223.77
5. Step 5: Solve for x
   x = 3,874,554,763,223.77/917,764.31
6. Step 6: Final answer
   x = 4,221,731.78