Finding the Third Proportional to 30,448,961 and 71,854,097.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,448,961 : 71,854,097.50 = 71,854,097.50 : x
2. Step 2: Convert to fraction form
   30,448,961/71,854,097.50 = 71,854,097.50/x
3. Step 3: Cross multiply
   30,448,961x = 71,854,097.50 × 71,854,097.50
4. Step 4: Simplify right side
   30,448,961x = 5,163,011,327,539,506
5. Step 5: Solve for x
   x = 5,163,011,327,539,506/30,448,961
6. Step 6: Final answer
   x = 169,562,807.99