Finding the Third Proportional to 912,064 and 1,979,972

Step by Step Solution

1. Step 1: Write the proportion equation
   912,064 : 1,979,972 = 1,979,972 : x
2. Step 2: Convert to fraction form
   912,064/1,979,972 = 1,979,972/x
3. Step 3: Cross multiply
   912,064x = 1,979,972 × 1,979,972
4. Step 4: Simplify right side
   912,064x = 3,920,289,120,784
5. Step 5: Solve for x
   x = 3,920,289,120,784/912,064
6. Step 6: Final answer
   x = 4,298,261.00