Finding the Third Proportional to 29,919,258 and 64,562,436

Step by Step Solution

1. Step 1: Write the proportion equation
   29,919,258 : 64,562,436 = 64,562,436 : x
2. Step 2: Convert to fraction form
   29,919,258/64,562,436 = 64,562,436/x
3. Step 3: Cross multiply
   29,919,258x = 64,562,436 × 64,562,436
4. Step 4: Simplify right side
   29,919,258x = 4,168,308,142,254,096
5. Step 5: Solve for x
   x = 4,168,308,142,254,096/29,919,258
6. Step 6: Final answer
   x = 139,318,566.73