Finding the Third Proportional to 9,015,103,107 and 12,457,168,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,015,103,107 : 12,457,168,618.50 = 12,457,168,618.50 : x
2. Step 2: Convert to fraction form
   9,015,103,107/12,457,168,618.50 = 12,457,168,618.50/x
3. Step 3: Cross multiply
   9,015,103,107x = 12,457,168,618.50 × 12,457,168,618.50
4. Step 4: Simplify right side
   9,015,103,107x = 155,181,049,989,741,182,976
5. Step 5: Solve for x
   x = 155,181,049,989,741,182,976/9,015,103,107
6. Step 6: Final answer
   x = 17,213,452,597.04