Finding the Third Proportional to 980,748 and 2,116,318

Step by Step Solution

1. Step 1: Write the proportion equation
   980,748 : 2,116,318 = 2,116,318 : x
2. Step 2: Convert to fraction form
   980,748/2,116,318 = 2,116,318/x
3. Step 3: Cross multiply
   980,748x = 2,116,318 × 2,116,318
4. Step 4: Simplify right side
   980,748x = 4,478,801,877,124
5. Step 5: Solve for x
   x = 4,478,801,877,124/980,748
6. Step 6: Final answer
   x = 4,566,720.38