Finding the Third Proportional to 69,441,840 and 146,756,864

Step by Step Solution

1. Step 1: Write the proportion equation
   69,441,840 : 146,756,864 = 146,756,864 : x
2. Step 2: Convert to fraction form
   69,441,840/146,756,864 = 146,756,864/x
3. Step 3: Cross multiply
   69,441,840x = 146,756,864 × 146,756,864
4. Step 4: Simplify right side
   69,441,840x = 21,537,577,131,114,496
5. Step 5: Solve for x
   x = 21,537,577,131,114,496/69,441,840
6. Step 6: Final answer
   x = 310,152,742.66