Finding the Third Proportional to 45,543,312 and 99,173,054

Step by Step Solution

1. Step 1: Write the proportion equation
   45,543,312 : 99,173,054 = 99,173,054 : x
2. Step 2: Convert to fraction form
   45,543,312/99,173,054 = 99,173,054/x
3. Step 3: Cross multiply
   45,543,312x = 99,173,054 × 99,173,054
4. Step 4: Simplify right side
   45,543,312x = 9,835,294,639,686,916
5. Step 5: Solve for x
   x = 9,835,294,639,686,916/45,543,312
6. Step 6: Final answer
   x = 215,954,751.81