Finding the Third Proportional to 88,106,289 and 186,715,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,106,289 : 186,715,570.50 = 186,715,570.50 : x
2. Step 2: Convert to fraction form
   88,106,289/186,715,570.50 = 186,715,570.50/x
3. Step 3: Cross multiply
   88,106,289x = 186,715,570.50 × 186,715,570.50
4. Step 4: Simplify right side
   88,106,289x = 34,862,704,267,140,472
5. Step 5: Solve for x
   x = 34,862,704,267,140,472/88,106,289
6. Step 6: Final answer
   x = 395,689,168.88