Finding the Third Proportional to 42,024,099 and 64,900,444.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,024,099 : 64,900,444.50 = 64,900,444.50 : x
2. Step 2: Convert to fraction form
   42,024,099/64,900,444.50 = 64,900,444.50/x
3. Step 3: Cross multiply
   42,024,099x = 64,900,444.50 × 64,900,444.50
4. Step 4: Simplify right side
   42,024,099x = 4,212,067,696,297,580
5. Step 5: Solve for x
   x = 4,212,067,696,297,580/42,024,099
6. Step 6: Final answer
   x = 100,229,815.67