Finding the Third Proportional to 900,090 and 1,920,708

Step by Step Solution

1. Step 1: Write the proportion equation
   900,090 : 1,920,708 = 1,920,708 : x
2. Step 2: Convert to fraction form
   900,090/1,920,708 = 1,920,708/x
3. Step 3: Cross multiply
   900,090x = 1,920,708 × 1,920,708
4. Step 4: Simplify right side
   900,090x = 3,689,119,221,264
5. Step 5: Solve for x
   x = 3,689,119,221,264/900,090
6. Step 6: Final answer
   x = 4,098,611.50