Finding the Third Proportional to 910,978.50 and 1,297,710

Step by Step Solution

1. Step 1: Write the proportion equation
   910,978.50 : 1,297,710 = 1,297,710 : x
2. Step 2: Convert to fraction form
   910,978.50/1,297,710 = 1,297,710/x
3. Step 3: Cross multiply
   910,978.50x = 1,297,710 × 1,297,710
4. Step 4: Simplify right side
   910,978.50x = 1,684,051,244,100
5. Step 5: Solve for x
   x = 1,684,051,244,100/910,978.50
6. Step 6: Final answer
   x = 1,848,617.99