Finding the Third Proportional to 93,210,290 and 139,815,382

Step by Step Solution

1. Step 1: Write the proportion equation
   93,210,290 : 139,815,382 = 139,815,382 : x
2. Step 2: Convert to fraction form
   93,210,290/139,815,382 = 139,815,382/x
3. Step 3: Cross multiply
   93,210,290x = 139,815,382 × 139,815,382
4. Step 4: Simplify right side
   93,210,290x = 19,548,341,043,805,924
5. Step 5: Solve for x
   x = 19,548,341,043,805,924/93,210,290
6. Step 6: Final answer
   x = 209,722,993.50