Finding the Third Proportional to 63,590,486 and 137,745,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,590,486 : 137,745,222.50 = 137,745,222.50 : x
2. Step 2: Convert to fraction form
   63,590,486/137,745,222.50 = 137,745,222.50/x
3. Step 3: Cross multiply
   63,590,486x = 137,745,222.50 × 137,745,222.50
4. Step 4: Simplify right side
   63,590,486x = 18,973,746,321,574,508
5. Step 5: Solve for x
   x = 18,973,746,321,574,508/63,590,486
6. Step 6: Final answer
   x = 298,373,978.80