Finding the Third Proportional to 1,976,964 and 4,316,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976,964 : 4,316,488 = 4,316,488 : x
2. Step 2: Convert to fraction form
   1,976,964/4,316,488 = 4,316,488/x
3. Step 3: Cross multiply
   1,976,964x = 4,316,488 × 4,316,488
4. Step 4: Simplify right side
   1,976,964x = 18,632,068,654,144
5. Step 5: Solve for x
   x = 18,632,068,654,144/1,976,964
6. Step 6: Final answer
   x = 9,424,586.72