Finding the Third Proportional to 18,358,300.69 and 39,959,557.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,358,300.69 : 39,959,557.88 = 39,959,557.88 : x
2. Step 2: Convert to fraction form
   18,358,300.69/39,959,557.88 = 39,959,557.88/x
3. Step 3: Cross multiply
   18,358,300.69x = 39,959,557.88 × 39,959,557.88
4. Step 4: Simplify right side
   18,358,300.69x = 1,596,766,265,565,474.50
5. Step 5: Solve for x
   x = 1,596,766,265,565,474.50/18,358,300.69
6. Step 6: Final answer
   x = 86,977,890.42