Finding the Third Proportional to 912,908 and 1,970,156

Step by Step Solution

1. Step 1: Write the proportion equation
   912,908 : 1,970,156 = 1,970,156 : x
2. Step 2: Convert to fraction form
   912,908/1,970,156 = 1,970,156/x
3. Step 3: Cross multiply
   912,908x = 1,970,156 × 1,970,156
4. Step 4: Simplify right side
   912,908x = 3,881,514,664,336
5. Step 5: Solve for x
   x = 3,881,514,664,336/912,908
6. Step 6: Final answer
   x = 4,251,813.62