Finding the Third Proportional to 912,898 and 1,970,138

Step by Step Solution

1. Step 1: Write the proportion equation
   912,898 : 1,970,138 = 1,970,138 : x
2. Step 2: Convert to fraction form
   912,898/1,970,138 = 1,970,138/x
3. Step 3: Cross multiply
   912,898x = 1,970,138 × 1,970,138
4. Step 4: Simplify right side
   912,898x = 3,881,443,739,044
5. Step 5: Solve for x
   x = 3,881,443,739,044/912,898
6. Step 6: Final answer
   x = 4,251,782.50