Finding the Third Proportional to 28,467,649,021.50 and 59,291,548,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,467,649,021.50 : 59,291,548,051.50 = 59,291,548,051.50 : x
2. Step 2: Convert to fraction form
   28,467,649,021.50/59,291,548,051.50 = 59,291,548,051.50/x
3. Step 3: Cross multiply
   28,467,649,021.50x = 59,291,548,051.50 × 59,291,548,051.50
4. Step 4: Simplify right side
   28,467,649,021.50x = 3,515,487,670,343,333,576,704
5. Step 5: Solve for x
   x = 3,515,487,670,343,333,576,704/28,467,649,021.50
6. Step 6: Final answer
   x = 123,490,621,501.21