Finding the Third Proportional to 118,870,232 and 258,843,442

Step by Step Solution

1. Step 1: Write the proportion equation
   118,870,232 : 258,843,442 = 258,843,442 : x
2. Step 2: Convert to fraction form
   118,870,232/258,843,442 = 258,843,442/x
3. Step 3: Cross multiply
   118,870,232x = 258,843,442 × 258,843,442
4. Step 4: Simplify right side
   118,870,232x = 66,999,927,466,407,360
5. Step 5: Solve for x
   x = 66,999,927,466,407,360/118,870,232
6. Step 6: Final answer
   x = 563,639,242.05