Finding the Third Proportional to 181,689,896 and 272,468,140

Step by Step Solution

1. Step 1: Write the proportion equation
   181,689,896 : 272,468,140 = 272,468,140 : x
2. Step 2: Convert to fraction form
   181,689,896/272,468,140 = 272,468,140/x
3. Step 3: Cross multiply
   181,689,896x = 272,468,140 × 272,468,140
4. Step 4: Simplify right side
   181,689,896x = 74,238,887,315,059,600
5. Step 5: Solve for x
   x = 74,238,887,315,059,600/181,689,896
6. Step 6: Final answer
   x = 408,602,178.49