Finding the Third Proportional to 1,691,388 and 2,319,354

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,388 : 2,319,354 = 2,319,354 : x
2. Step 2: Convert to fraction form
   1,691,388/2,319,354 = 2,319,354/x
3. Step 3: Cross multiply
   1,691,388x = 2,319,354 × 2,319,354
4. Step 4: Simplify right side
   1,691,388x = 5,379,402,977,316
5. Step 5: Solve for x
   x = 5,379,402,977,316/1,691,388
6. Step 6: Final answer
   x = 3,180,466.56