Finding the Third Proportional to 136,328,724 and 215,906,346

Step by Step Solution

1. Step 1: Write the proportion equation
   136,328,724 : 215,906,346 = 215,906,346 : x
2. Step 2: Convert to fraction form
   136,328,724/215,906,346 = 215,906,346/x
3. Step 3: Cross multiply
   136,328,724x = 215,906,346 × 215,906,346
4. Step 4: Simplify right side
   136,328,724x = 46,615,550,243,071,712
5. Step 5: Solve for x
   x = 46,615,550,243,071,712/136,328,724
6. Step 6: Final answer
   x = 341,934,911.99