Finding the Third Proportional to 72,112,090 and 146,772,665

Step by Step Solution

1. Step 1: Write the proportion equation
   72,112,090 : 146,772,665 = 146,772,665 : x
2. Step 2: Convert to fraction form
   72,112,090/146,772,665 = 146,772,665/x
3. Step 3: Cross multiply
   72,112,090x = 146,772,665 × 146,772,665
4. Step 4: Simplify right side
   72,112,090x = 21,542,215,191,202,224
5. Step 5: Solve for x
   x = 21,542,215,191,202,224/72,112,090
6. Step 6: Final answer
   x = 298,732,365.01