Finding the Third Proportional to 915,088 and 1,388,184

Step by Step Solution

1. Step 1: Write the proportion equation
   915,088 : 1,388,184 = 1,388,184 : x
2. Step 2: Convert to fraction form
   915,088/1,388,184 = 1,388,184/x
3. Step 3: Cross multiply
   915,088x = 1,388,184 × 1,388,184
4. Step 4: Simplify right side
   915,088x = 1,927,054,817,856
5. Step 5: Solve for x
   x = 1,927,054,817,856/915,088
6. Step 6: Final answer
   x = 2,105,868.31