Finding the Third Proportional to 9,238,525,558 and 18,966,812,269.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238,525,558 : 18,966,812,269.50 = 18,966,812,269.50 : x
2. Step 2: Convert to fraction form
   9,238,525,558/18,966,812,269.50 = 18,966,812,269.50/x
3. Step 3: Cross multiply
   9,238,525,558x = 18,966,812,269.50 × 18,966,812,269.50
4. Step 4: Simplify right side
   9,238,525,558x = 359,739,967,666,455,773,184
5. Step 5: Solve for x
   x = 359,739,967,666,455,773,184/9,238,525,558
6. Step 6: Final answer
   x = 38,939,110,511.52