Finding the Third Proportional to 915,850 and 1,989,332

Step by Step Solution

1. Step 1: Write the proportion equation
   915,850 : 1,989,332 = 1,989,332 : x
2. Step 2: Convert to fraction form
   915,850/1,989,332 = 1,989,332/x
3. Step 3: Cross multiply
   915,850x = 1,989,332 × 1,989,332
4. Step 4: Simplify right side
   915,850x = 3,957,441,806,224
5. Step 5: Solve for x
   x = 3,957,441,806,224/915,850
6. Step 6: Final answer
   x = 4,321,058.91