Finding the Third Proportional to 122,938,332 and 250,814,856

Step by Step Solution

1. Step 1: Write the proportion equation
   122,938,332 : 250,814,856 = 250,814,856 : x
2. Step 2: Convert to fraction form
   122,938,332/250,814,856 = 250,814,856/x
3. Step 3: Cross multiply
   122,938,332x = 250,814,856 × 250,814,856
4. Step 4: Simplify right side
   122,938,332x = 62,908,091,990,300,736
5. Step 5: Solve for x
   x = 62,908,091,990,300,736/122,938,332
6. Step 6: Final answer
   x = 511,704,453.50