Finding the Third Proportional to 910,946 and 1,999,300

Step by Step Solution

1. Step 1: Write the proportion equation
   910,946 : 1,999,300 = 1,999,300 : x
2. Step 2: Convert to fraction form
   910,946/1,999,300 = 1,999,300/x
3. Step 3: Cross multiply
   910,946x = 1,999,300 × 1,999,300
4. Step 4: Simplify right side
   910,946x = 3,997,200,490,000
5. Step 5: Solve for x
   x = 3,997,200,490,000/910,946
6. Step 6: Final answer
   x = 4,387,966.45