Finding the Third Proportional to 30,831,920,062.50 and 49,059,645,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,831,920,062.50 : 49,059,645,973.50 = 49,059,645,973.50 : x
2. Step 2: Convert to fraction form
   30,831,920,062.50/49,059,645,973.50 = 49,059,645,973.50/x
3. Step 3: Cross multiply
   30,831,920,062.50x = 49,059,645,973.50 × 49,059,645,973.50
4. Step 4: Simplify right side
   30,831,920,062.50x = 2,406,848,863,045,154,766,848
5. Step 5: Solve for x
   x = 2,406,848,863,045,154,766,848/30,831,920,062.50
6. Step 6: Final answer
   x = 78,063,541,231.50