Finding the Third Proportional to 90,355,201.50 and 139,613,762.25

Step by Step Solution

1. Step 1: Write the proportion equation
   90,355,201.50 : 139,613,762.25 = 139,613,762.25 : x
2. Step 2: Convert to fraction form
   90,355,201.50/139,613,762.25 = 139,613,762.25/x
3. Step 3: Cross multiply
   90,355,201.50x = 139,613,762.25 × 139,613,762.25
4. Step 4: Simplify right side
   90,355,201.50x = 19,492,002,609,599,524
5. Step 5: Solve for x
   x = 19,492,002,609,599,524/90,355,201.50
6. Step 6: Final answer
   x = 215,726,402.97