Finding the Third Proportional to 1,668,162.50 and 3,642,139

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,162.50 : 3,642,139 = 3,642,139 : x
2. Step 2: Convert to fraction form
   1,668,162.50/3,642,139 = 3,642,139/x
3. Step 3: Cross multiply
   1,668,162.50x = 3,642,139 × 3,642,139
4. Step 4: Simplify right side
   1,668,162.50x = 13,265,176,495,321
5. Step 5: Solve for x
   x = 13,265,176,495,321/1,668,162.50
6. Step 6: Final answer
   x = 7,951,969.01