Finding the Third Proportional to 126,111,564 and 190,069,380

Step by Step Solution

1. Step 1: Write the proportion equation
   126,111,564 : 190,069,380 = 190,069,380 : x
2. Step 2: Convert to fraction form
   126,111,564/190,069,380 = 190,069,380/x
3. Step 3: Cross multiply
   126,111,564x = 190,069,380 × 190,069,380
4. Step 4: Simplify right side
   126,111,564x = 36,126,369,213,584,400
5. Step 5: Solve for x
   x = 36,126,369,213,584,400/126,111,564
6. Step 6: Final answer
   x = 286,463,572.95