Finding the Third Proportional to 153,499,264 and 313,164,584

Step by Step Solution

1. Step 1: Write the proportion equation
   153,499,264 : 313,164,584 = 313,164,584 : x
2. Step 2: Convert to fraction form
   153,499,264/313,164,584 = 313,164,584/x
3. Step 3: Cross multiply
   153,499,264x = 313,164,584 × 313,164,584
4. Step 4: Simplify right side
   153,499,264x = 98,072,056,671,893,056
5. Step 5: Solve for x
   x = 98,072,056,671,893,056/153,499,264
6. Step 6: Final answer
   x = 638,908,970.09