Finding the Third Proportional to 72,237,632 and 154,272,128

Step by Step Solution

1. Step 1: Write the proportion equation
   72,237,632 : 154,272,128 = 154,272,128 : x
2. Step 2: Convert to fraction form
   72,237,632/154,272,128 = 154,272,128/x
3. Step 3: Cross multiply
   72,237,632x = 154,272,128 × 154,272,128
4. Step 4: Simplify right side
   72,237,632x = 23,799,889,477,648,384
5. Step 5: Solve for x
   x = 23,799,889,477,648,384/72,237,632
6. Step 6: Final answer
   x = 329,466,634.20