Finding the Third Proportional to 42,109,365 and 61,704,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,109,365 : 61,704,076.50 = 61,704,076.50 : x
2. Step 2: Convert to fraction form
   42,109,365/61,704,076.50 = 61,704,076.50/x
3. Step 3: Cross multiply
   42,109,365x = 61,704,076.50 × 61,704,076.50
4. Step 4: Simplify right side
   42,109,365x = 3,807,393,056,717,852
5. Step 5: Solve for x
   x = 3,807,393,056,717,852/42,109,365
6. Step 6: Final answer
   x = 90,416,776.81